初中英语情态动词详解练习题 44页

-.【稳固练习】一、用can,may,must,need,haveto,hadbetter的适当形式填空：1. You__________returnthelibrarybookontime.2. I________(not)findthewaytothehospital._________youshowmetheway?3.   —__________Ifinishtheworkrightnow?—No,you__________(not).You______doitlater.4.  Hesaidhe__________(not)etonight.5. Hermotherwasill.She__________stayathomeandlookafterher.6.   It’stimeforclass.You__________stopplayingfootballoryou________belateforclass.7.  We__________startrightnow,ortheywouldgettherefirst.8.  Thecloudislifting,soit__________(not)bearainydaytomorrow.二、选择填空：1.  —Excuseme.Willyoupleasetellmethewaytotherailwaystation? —Oh,sorry,butIdon’tknow.You____goandaskthatpoliceman.A.may B.mustC.wouldD.should2. John______etoseeustonight,butheisn’tverysureyet.A.may B.canC.hastoD.must3.   Thisbook______Lucy’s.Look!Hernameisonthebook’scover.A.can’tbe B.maybeC.mustn’tbeD.mustbe4.  —______Ifinishtheworktoday? -.word.zl.\n-.—No,you______.A.Must,can’t B.Must,needn’tC.May,needn’t D.Can,mustn’t5.   ___weaskyousomequestions? —Sure,goahead!A.WillB.ShallC.MustD.Need6.   —Youmustebackeverymonth. —Yes,I______.A.must B.should C.willD.can7.   — WhereisTom? —Hehasn’tetoschooltoday.Ithinkhe______beill.A.hastoB.hadbetterC.canD.must8. —What’sthetimenow? —It’sstillearly.You______worryaboutthetime.A.maynotB.don’thavetoC.can’tD.don’tneed9.  —______IvisitLucyonSunday,Mum? —Yes,you______.A.Must,canB.May,mayC.Need,needD.May,need10.  puters___processdifficultproblemsveryquickly.A.canB.mustC.shouldD.need参考答案:一、1.must 2.can’t,Could 3.Must,needn’t,may 4.couldn’t 5.hadto 6.must,may 7.hadbetter 8.can’t二、1—5AADBB 6—10CDBBA-.word.zl.\n-.情态动词练习题1(A)1John___etoseeustonight,butheisn'tverysureyet.A.mayB.canC.hastoD.must(D)2They___dowellintheexam.A.canbeabletoB.beabletoC.canabletoD.areableto(A)3-MayItakethisbookout?-No,you___.A.can'tB.maynotC.needn'tD.aren't(B)4You___goandseeadoctoratoncebecauseyou'regotafever.A.canB.mustC.dareD.would(B)5-CanyouspeakJapanese?-No,I____.A.mustn'tB.can'tC.needn'tD.maynot2(C)1-He___beintheclassroom,Ithink.-No,he___beintheclassroom.Isawhimgohomeaminuteago.A.can;maynotB.must;maynotC.may;can'tD.may;mustn't(D)2-ShallIgetonemorecakeforyou,Dad?-Thanks,butyou___,I'vehadenough.A.maynotB.mustnotC.can'tD.needn't-.word.zl.\n-.(B3Eventhetopstudentsinourclasscan'tworkoutthisproblem,soit___beverydifficult.A.mayB.mustC.canD.need()4Heisn'tatschool.Ithinkhe___beill.oA.canB.shallC.mustD.hasto()5___Itakethisone?A.MayB.WillC.AreD.Do3()1Thechildren___playfootballontheroad.A.can'tB.canC.mustn'tD.must()2You___belateforschoolagainnexttime.A.mustn'tB.needn'tC.don'thavetoD.don'tneedto()3-MustIdomyhomeworkatonce?-No,you___.A.needn'tB.mustn'tC.can'tD.maynot4()1Hisarmisallright.He___goandseethedoctor.A.hasnottoB.don'thavetoC.haven'ttoD.doesn'thaveto()2Hehadtogiveuptheplan,___he?A.didB.didn'tC.doesD.doesn't-.word.zl.\n-.()3Theyhadtowalkhere,___they?A.mustn'tB.didC.didn'tD.hadn't5()1Hehadbetterstayhere,___he?A.didn'tB.don'tC.hadn'tD.isn't()2You'dbetter___latenexttime.A.nottobeB.notbeC.won'tbeD.don'tbe()3You'dbetter___yourhair___onceamonth.A.had;cutB.had;cuttedC.have;cutD.have;cutted()4You___askthatmanoverthere.Maybeheknowstheway.A.hadbetternottoB.hadnotbetterC.hadbetterD.hadbetternot6()1-ShallwegoandvisittheHistoryMuseumnextSunday?A.HereyouareB.Sorry,Ican'tC.Yes,pleaseD.Letmetry()2-Whydon'tyouaskMiketogowithus?-Thanks,___.A.IwillB.Iwon'tC.leanD.Imay()3-___Itakethenewspaperaway?-No,youmustn't.You____readitonlyhere.A.Must;canB.May;canC.Need;mustD.Must;must7-.word.zl.\n-.()1Excuseme.___youpleasepassmethatcup?A.DoB.ShouldC.WouldD.Must()2___youliketohaveanothertry?A.CouldB.WillC.WouldD.Do()3-Wouldyouliketogoboatingwithus?-Yes,___.A.I'dlikeB.IwantC.I'dliketoD.Ido8()1You___worryaboutyourson.Hewillgetwellsoon.A.needn'tB.can'tC.mustn'tD.haveto()2Thepoormanneedsourhelp,___he?A.needB.needn'tC.doesD.doesn't()3-Mustwedoourhomeworkfirst?-No,you___.Youmayhavearestfirst.A.mustn'tB.needn'tC.maynotD.can't参考答案:1.ADABB2.CDBCA3.CAA4.DBC5.CBCC6.CAB7.CCC8.ADB-.word.zl.\n-.中考考点情态动词练习及答案1.-Mum，mayIwatchTVnow？-Sure，butyou________helpmewithmyEnglish.A.canB.mayC.mustD.could2.-________Idownloadthearticleagain？-No，youneedn't.A.ShallB.WillC.MustD.Can3.-Canyougoskatingwithusthisafternoon？-Sorry，Ican't.I________takecareofmylittlesisterathome.A.canB.mayC.wouldD.haveto4.-MustIhandinmyexercisebooktoday？-No，you________.A.can'tB.needn'tC.mustn'tD.won't5.-MayIhaveawordwithyou？-No，you________.I'mbusytoday.A.needn'tB.wouldn'tC.don'thavetoD.can't6.-________IhaveyourEnglishname，please？-Yes，Helen.H-E-L-E-N.A.MustB.MayC.WillD.Need7.-Whoistheboyoverthere？IsitJohn？-No，it________behim.Johnismuchtaller.A.mustn'tB.maynotC.can'tD.needn't-.word.zl.\n-.8.-CanyouplayFrisbee，Jay？-Yes，I________.It'seasy.A.mustB.canC.needD.may9.-Youmustebackeverymonth.-Yes，I________.A.willB.mustC.shouldD.can10.She________knowtheanswer，butI'mnotsure.A.maybeB.maybeC.mayD.must11.-Mustwecleantheroomrightnow？-No，you.Youcleanitafterlunch.A.needn't；mayB.needn't;mustC.Mustn't；canD.mustn't；may12.John________etoseeustonight，butheisn'tverysureyet.A.mayB.canC.hastoD.must13.Children________playwithfire.A.mustn'tB.can'tC.shouldn'tD.needn't14.-________Iein，MrGreen？-Yes,ein，please.A.MustB.NeedC.WillD.May15.-MustIfinishtheworktoday？-No，you________.You________finishittomorrow.A.mustn't；mayB.can't；canC.needn't；mayD.needn't；must-.word.zl.\n-.「答案与解析」1.C.这组对话的意思是："妈妈，我现在可以看电视吗？""当然，但你必须帮我学英语。"该题测试情态动词的用法。表示主观上看来"必须"要做的事，要用must.2.C.这组对话的意思是："我必须再次下载这篇文章吗？""不必了。"该题测试情态动词的用法。根据答语No，youneedn't就能确定要选C.3.D.这组对话的意思是："今天下午你能同我们一块去溜冰吗？""抱歉，我不能去。我必须在家照看我小妹妹。"该题测试情态动词的用法。表示客观上"不得不"做某事时，要用haveto.4.B.这组对话的意思是："我必须今天交作业吗？""不必。"该题测试情态动词的用法。对以must开头的问句进展否认答复时，要用needn't.5.D.这组对话的意思是："我可以跟你说句话吗？""不行，我今天很忙。"该题测试情态动词的用法。对May开头的问句进展否认答复时，通常用can't或maynot来答复。6.B.这组对话的意思是："我可以知道您的英文名字吗""可以，海伦。H-E-L-E-N."该题测试情态动词的用法。"请求对方许可"时，常用MayI〔we〕…。7.C.这组对话的意思是："那边的那个男生是谁？是约翰吗？""那不可能是他，约翰个子高些。"该题测试情态动词的用法。表示很肯定的否认推测时，用can't.8.B.这组对话的意思是："杰伊，你会扔飞盘吗？""会，小菜一碟。"该题测试情态动词的用法。一般说来，以情态动词can开头的问句，肯定答复用can；否认答复用can't.英语情态动词：9.A.此题易误选为B或C.这是因为受了思维定势的影响引起的，因为前面句子中的must这个词，许多人就想当然地选择了B项。其实，这里应该选择A项，句意为："你必须每月回来一次。""好的，我会的。"-.word.zl.\n-.10.C.maybe是副词，意为"可能；也许"，在句中作状语。maybe是两个不同的词，其中，may是情态动词，be是连系动词，在句中作谓语。11.A.needn't表示"没有必要"；may意为"可以".12.A.考察情态动词。由后文"但他还不能肯定"可知，他"可能会"来，所以选A.can表示推测的"可能"，多用于否认句或疑问句中，must是有把握的肯定推测，"一定".13.A.考察情态动词。mustn't千万不，绝不能，一定不要；can't不能；shouldn't不应该；needn't不必要。英语情态动词：14.D.考察情态动词。请求允许用may或can.15.C.考察情态动词。否认答复must，表示"不必"用needn't，排除A和B.又表示允许"可以"，用may或can，所以A正确。假设用must与前面needn't相矛盾。〔九〕情态动词-.word.zl.\n-.【2021】4.—Mustweleavenow?—No,we_______.Westillhavetwomorehours.A.can’tB.mustn’tC.needn’tD.shouldn’t【2021】26.—Canyourideahorse?—No.I____.A.needn'tB.maynotC.can'tD.mustn't【2021XX】27.—MissLi,mustwehandinourhomeworkrightnow?—No,you____.Youcanhanditintomorrow.A.don’tB.mustn’tC.needn’tD.maynot【省2021】36.Youeatthesoupifyoudon'tlikeit.A.shouldn'tB.mustn'tC.needn'tD.can't【2021•省】26._____youwaitafewmoreminutes?It'llbeyourturnsoon,A.MustB.ShouldC.CouldD.Might【2021市】〔〕13.—Mayweleavetheclassroomnow?—No,you______.Youshouldn'tleaveuntilthebellrings.A.maynotB.can'tC.needn't【2021】5.She_______behere.Isawherein.A.canB.mayC.shouldD.must【2021】()27.Ican’tgotothecinemawithyoubecauseI___________stayhereuntilmymotheresback.A.canB.couldC.mayD.must-.word.zl.\n-.【2021】28.InordertospeakEnglishbetter,we_beafraidoflosingface.Becausethemostimportantthingistopractice.Remember,practicemakesperfect.A.shouldB.shouldn'tC.haveto【2021•】7.—Bequiet,MrSmithising.—Don’tworry.It＿＿＿behim.MrSmithismuchtaller.A.mustn’tB.mustC.can’t【2021•】34.—Anothercupoftea?—No,thanks.I_______beoff.Ginaiswaitingforme.A.canb.mustc.may【2021】33.—________Ismokehere?—No.Youarenotallowedtosmokeinpublicplaces.A.CouldB.MustC.MayD.Might〔2021资阳〕26.—Hey,Ted!You_______neverplayinthestreet.It’snotsafe.—Sorry,Mum.Iwon’tagain.A.needB.mustC.canD.may【2021乌鲁木齐】24.—MustIreturnthehooktomorrowmorning?—No,you_.Youcankeepitlonger.A.mustn'tB.can'tC.needn'tD.couldn't39.【2021•XX】—HowlongmayIkeepthebook?—You________keepitfortwoweeks.A.mayB.mustC.will-.word.zl.\n-.【2021】28.—Susan,wouldyouliketogohikingwithusthisafternoon?—I'dloveto,butIstudyforatest.A.mayB.havetoC.can(2021)30．—MayIsmokehere，please?—Iamafraidyou．Thisisanon-smokingarea．A．canB．can’tC．mayD．maynot【2021】()31.—Doyouknowthesongeon,Haixi!—Yes,andI_________singitwell.A.mustB.canC.need【2021】8.—MustIreturnthebookthisweek?—No,you____.Youcan_itfor20days.A.mustn't:keepB.needn't;borrowC.needn't;keepD.mustn't;borrow〔2021XX市〕35.—Lookatthesign!—Oh,Isee.We_______wastewater.A.canB.mustC.mustn’tD.needn’t【2021】37.—_Iuseyoureraser,Rose?—Sure.Hereyouare.A.MayB.WouldC.NeedD.Must【2021湘西】31.—CanIborrowyourdictionary?—Yes,you_______.A.CanB.mustC.should(2021中考)23.-MustIhandinmyexercisebooknow,Mr.Zhao?-.word.zl.\n-.-No,you.Youmaygiveittometomorrow.A.needn’tB.mustn’tC.can’t(2021)4.—Congratulations!You'vegotthefirstprizeintheEnglishContest.—_____itbetrue?It'sunbelievable!A.MayB.ShouldC.MustD.Can【2021】7.You______finishthereporttoday.AnytimebeforeFridayisOK.A.mustn’tBmustC.needD.needn’t【2021•】()24.—CouldIuseyoureraserforawhile?—Yes,ofcourseyou_.A.couldB.canC.willD.Should【2021】—CanyouetomypartyonWednesday?—Sorry,Ican't.Ifinishmyhomework.A.mayB.wouldC.haveto【2021】38.—________IwatchTVnow,Mom?—No.It’stoolate,andyou______gotobed.A.May;havetoB.Will;shouldC.Can;willD.Must;need【2021】33.—MustIfinishmyhomeworktoday,MsLiu?—No,_______.A.youmustn’tB.youdon’thavetoC.youcan’t【2021】6.Accordingtothenewtrafficlaws,people______driveafterdrinkingwineorbeer.A.wouldn’tB.couldn’tC.needn’tD.mustn’t【2021江津】()33.A:CanIwearanyclothesIliketoschool?B:No,youcan’t.Youwearauniform(校服).-.word.zl.\n-.A.mightB.willC.mustD.would【2021】34.—Willyoustayforsomemoredays?—Sorry,I_____.Mymothercalledtoaskmetogobackatonce.A.mustn’tB.maynotC.can’tD.wouldn’t【2021枣庄】25.You______wearsportsshoeswhenyouclimbamountain.A.can’tB.shouldn’tC.mustn’tD.haveto【2021滨州】31.–MustIgetupearlytomorrowmorning?–No,_________.A.youmustn’tB.Idon’tthinkyouhavetoC.youcan’tD.youneed【】23.—Who’ssinginginthenextroom?—It____beher.ShehasgonetoNewYork.A.can’tB.mustC.shouldn’tD.can【2021】38.—MustIlearnallthesewordsbyheart?—No,you______.It’llbefineifyoucopytheminyourexercisebooks.A.needn’tB.can’tC.shouldn’tD.mustn’t34.【2021·中考】—Mom,mustIfinishmyhomeworknow?—No,you______.Youmayhavesupperfirst.A.mustn’tB.needn’tC.can’t【2021】22.－Willthenewiphonecostalot?-.word.zl.\n-.－I______thinkso.Apple’sproductsareusuallyexpensive.A.shouldn’tB.needn’tC.wouldD.Must【2021】22.  —Mustwecleantheclassroomnow?　　—No,youneedn't.It _____afterschool.　A.mayclean     B.mustclean   C.needbecleaned  D.canbecleaned【2021】30.—Mr.Wang,canIfinishmyhomeworktomorrow?—Sorry,you_______.A.can’tB.don’tC.needn’tD.won’t【2021】21.---Wouldyouetomybirthdaypartytomorrowevening?---I’mafraidI______.Ihavetolookaftermysister.A.wouldn’tB.can’tC.won’tD.mustn’t【2021】24.Itrainedheavily,sowe_______stayathomewatchingTVorsurfingtheInternetallday.A.couldB.hadtoC.must【2021】28.—MayItakethemagazineoutofthereadingroom?—No,youcan’t.You_________readithere.It’stherule.A.mustB.wouldC.mayD.might【2021市】35.－Dad,mayIwatchTV?－No,youcan’t.You_______finishyourhomeworkfirst.A.mustB.canC.may【2021】18．一Bob，shallwegoandmeetournewclassmate?-.word.zl.\n-.一Sorry．I'mbusynow．Butyou_________askDavidtogowithyou．Heisfree．A．needB．mayC．wouldD．must【2021】30.Ifyouareinthezoo,remembernottotouchorgoneartheanimals.Althoughsomeoftheanimalsarecute,you_________leavethemalone.A.mustB.willC.mayD.can〔2021·〕8.–FiftydollarsforsuchaT-shirt!You_____bejoking!–I’mserious.It’smadeofsilk.A.mustB.needC.mayD.can【2021威海】31.—Haveyoudecidedwheretogoforyoursummervacation?—Notyet.We_________gotoQingdao.Itisagoodplaceforvacation.A.mayB.shouldC.needD.must【2021江】38.—MustIbehomebeforeeighto'clock,Mum?—No,you_____.Butyouhavetoebackbeforeteno'clock.A.needn'tB.can'tC.mustn't【2021】3.—_________Iborrowyourhistorybook?—Sure.Hereyouare.A.MustB.MayC.NeedD.Will【2021】21.Thetalentedboy____writelyricswhenhewasattheageoften.A.mayB.couldC.must24.【2021•株洲】—Let’sgodancingtonight.!—Sorry,I________.Ihavetogotomyguitarlesson.A.mustn’tB.needn’tC.can’t-.word.zl.\n-.【2021•】19.Themagazine___________beLily's,forwecanfindhernameonthecover.A.mayB.mightC.couldD.must【2021】7.—Dad，canIgotothemoviestonight?--Sure，butyou__ebackhomebefore9o’clock.A.canB.mustC.mayD.might【2021】29.Drunkdrivingisagainstthelawnow.It______beforbidden.A.mayB.mustC.canD.might【2021】39..—IthinkthemanovertheremustbeBob.--It_______behim.Hehas______toAustralia.A.can’t,goneB.can’t,beenC.maynot,beenD.mustn’t,gone【省2021】31.Theworkistoohardforhim.He__________finishitontime.A.can'tB.mustn'tC.shouldn'tD.needn't【2021】27.Thisdictionary______Tom's.IthasAnn'snameonitA.mightbeB.mayheC.can'tbe【2021黄冈】41.—WhoseT-shirtisthis?—It______beJohn's.It‘s______smallforhim.A.can't;muchtooB,can't;toomuchC.mustn't;muchtooD.mustn't;toomuch【2021】33.--MayIgooutnow,Dad?--No.You__letyourmotherknowfirst.A.canB.mayC.needD.must-.word.zl.\n-.【2021•】26.—_______wecleantheclassroomatonce?—No,you_______.You_______cleanitafterschool.A.Must;needn’t;mayB.Must;mustn’t;can.C.Shall;can’t;mustD.Need;mustn’t;may(2021宿迁)15.Youlookquitetired.You’dbetter______agoodrest.A.stoptohaveB.stophavingC.tostoptohaveD.tostophaving【2021】25.-CanIskateonthelakenow?-No,you______.It’sdangerous.A.can’tB.mustn’tC.needn’tD.won’t【2021】39.You_____loseyourwayifyouwalkaloneinthemountainsatnight.A)mayB)needC)shouldD)oughtto9.【2021•】—Peterdoesn’tmindlendingyouhiscamera.—He__________.I’vealreadyborrowedone.A.needn’tB.can’tC.mustn’tD.shouldn’t【2021】30.—Ican’tstopsmoking,doctor.—Foryourhealth,I’mafraidyou______.A.mayB.canC.havetoD.need【2021】20.—Goodmorning.I'vegotanappointmentwithMsKinginheroffice.—Morning.You_______beMrJones.Thisway,please.A.willB.mustC.canD,might【2021】12.----Dad,thebreadisnotenough.Iamstillhungry.Ihavesomething-.word.zl.\n-.more?----Butthere’snothinginthefridgenow.A.MustB.NeedC.WillD.Can【2021•】32.—Oiliseverywhereinthisstore,soyouknowsmokingisforbiddenhere.—I'msorry.A.canB.mayC.must【2021•】3.—Where'sDavid?—Hebeintheplaygroundbecauseheisfondofplayingbasketball.A.willB.mayC.can'tD.mustn't【2021·】 33.-Look,Sueisoverthere.    -That____beher.SheisinCanadanow.    A.mustn’tB.can’tC.needn’tD.won’t【2021】36.—MustIgothroughtheradiation(辐射)checkwhenIebackfromJapanattheairportthesedays?—Yes,you______.A.canB.mayC.mightD.must[【2021•】40.—Where'smymusicdisc?Ican'tseeit!—You'dbetterthedisccarefullyinyourbedroom.A.lookupB.lookthroughC.lookfo【2021】16.—Lookatthemanintheclassroom!IsheMr.White?—No,it__________behim.He'seatinginthedininghall.-.word.zl.\n-.A.can'tB.mustn'tC.maynotD.needn't〔2021〕27.---Dowehavetogotoschoolthisafternoon?---Yes,you________.A.mustB.canC.need【2021．】28.Therearenocustomersinthehotel.It______havethefriendliestservice.A.can’tB.mustC.mayD.needn’t【2021】26.Aswe’restudents,we__________obeytheschoolrules.A.canB.mayC.mustD.could(2021日照中考)29.----ThatmustbeMr.John.----No,it________behim!Isawhimoffattheairporthalfanhourago.A.maynotB.mustn’tC.can’tD.needn’t(2021)4.—Congratulations!You'vegotthefirstprizeintheEnglishContest.—_____itbetrue?It'sunbelievable!A.MayB.ShouldC.MustD.Can【2021•】25.Youworryaboutme.I’mfine.A.can’tB.mustn’tC.needn’t【2021.XX】36.—Whoseschoolbagisthis?—It___________beMary’s.Ithashernameonit.A.canB.mayC.willD.must(2021)29.---Maywegohomemow?---No,you____.You____togohomeuntil5o’clock.-.word.zl.\n-.A.mustn’t;areallowedB.don’thaveto;aresupposedC.needn’t;aren’tallowedD.can’t;aren'tsupposed【2021】33.---Mr.Wang_____beontheplayground,Ithink.---He______beontheplayground.Isawhimintheofficejustnow.A.may;maynotB.can;mustn’tC.must;couldn’tD.may;can’t7.【2021】----Shallwemeetatthestationat8am?----Infactwe.Thetrainuntil10am.A.mustn’t;doesn’tleaveB.mustn’t;leavesC.needn’t;won’tleaveD.needn’t;willleave29.【2021•东营】Bytheyear2021,allofChina'smuseumswillbefreetoenter.We_______visitanymuseumwithoutpaying.A.canb.needC.mustD.should〔九〕情态动词【2021】4.—Mustweleavenow?—No,we_______.Westillhavetwomorehours.A.can’tB.mustn’tC.needn’tD.shouldn’t答案：C【解析】考察情态动词。句意：---我们现在必须离开吗？---不，我们不必，我们仍有两个小时。根据上文，得知“must〞引导的一般疑问句应用needn’t或don’thaveto来作否认答复。【2021】26.—Canyourideahorse?—No.I____.-.word.zl.\n-.A.needn'tB.maynotC.can'tD.mustn't答案：C【解析】考察点：此题考察情态动词的用法。Can表示能力，用它来提问，就用它来答复。所以选择答案C。【2021XX】27.—MissLi,mustwehandinourhomeworkrightnow?—No,you____.Youcanhanditintomorrow.A.don’tB.mustn’tC.needn’tD.maynot答案：C【解析】考察情态动词的用法，must引起的一般疑问句，否认答复要用needn’t。【省2021】36.Youeatthesoupifyoudon'tlikeit.A.shouldn'tB.mustn'tC.needn'tD.can't【答案】C【解析】考察情态动词用法，shouldn’t不应该；mustn’t不能；needn’t没有必要；can’t不能。本句是if引导条件状语从句，“如果你不喜欢这汤，你没必要喝〞，选C符合题意。【2021•省】26._____youwaitafewmoreminutes?It'llbeyourturnsoon,A.MustB.ShouldC.CouldD.Might答案：C。考察情态动词词义辨析。must一定；should应该；might可能；could能够，符合句意。句意：你能再等几分钟吗？快轮到你了。【2021市】〔〕13.—Mayweleavetheclassroomnow?—No,you______.Youshouldn'tleaveuntilthebellrings.-.word.zl.\n-.A.maynotB.can'tC.needn't答案：B【解析】情态动词的考察。May引导的疑问句，在否认答复时，用mustn’t或can’t。【2021】5.She_______behere.Isawherein.A.canB.mayC.shouldD.must答案D【解析】考察情态动词的用法。Can和may表示没有把握的推测，should意为“应该〞，must表示有把握的推测。由后句句意“我看见他进来了〞可推测前句，她一定在这儿。应选D【2021】()27.Ican’tgotothecinemawithyoubecauseI___________stayhereuntilmymotheresback.A.canB.couldC.mayD.must27.答案：D【解析】此题考察情态动词的辨析。句意为“我不能和你去年电影，因为我_____必须呆在这里，直到我妈妈回来〞。根据语境可知此空意为“必须〞，四个选项中，只有must具体有此意，应选D【2021】28.InordertospeakEnglishbetter,we_beafraidoflosingface.Becausethemostimportantthingistopractice.Remember,practicemakesperfect.A.shouldB.shouldn'tC.haveto答案：B【解析】考察情态动词-.word.zl.\n-.根据句意：为了说好英语，我们不应当害怕丢面子。用shouldn’t。【2021•】7.—Bequiet,MrSmithising.—Don’tworry.It＿＿＿behim.MrSmithismuchtaller.A.mustn’tB.mustC.can’t答案：C【解析】情态动词的用法。mustn’t指不允许，表示制止；must必须；应该，表猜想时，用于肯定句，意为“一定〞，可能性较大；can能，会，表猜想时，常用于否认句和疑问句，意为“不可能〞；依据句意“安静，史密斯先生来了。〞“不要担忧，不可能是他，史密斯先生高得多。〞，这里表是否认的猜想，应选C。【2021•】34.—Anothercupoftea?—No,thanks.I_______beoff.Ginaiswaitingforme.A.canb.mustc.may.答案：B【解析】考察情态动词。can能;may可以；must必须。句意：......我必须要走有了，Gina在等着我。【2021】33.—________Ismokehere?—No.Youarenotallowedtosmokeinpublicplaces.A.CouldB.MustC.MayD.Might答案：C【解析】C考察情态动词的习惯用法，May表示请求对方的建议，根据句意：我可以在这抽烟吗？不行，公共场合抽烟不许抽烟。应选C。〔2021资阳〕26.—Hey,Ted!You_______neverplayinthestreet.It’snotsafe.-.word.zl.\n-.—Sorry,Mum.Iwon’tagain.A.needB.mustC.canD.may答案：B【解析】考察情态动词的用法。need“需要〞must“必须〞；can“能够〞；may “可以〞。句意为“你好，泰德。你必须永远不要在街上玩耍，不平安〞“对不起，我不会再那样做了，妈妈〞。应选B。【2021乌鲁木齐】24.—MustIreturnthehooktomorrowmorning?—No,you_.Youcankeepitlonger.A.mustn'tB.can'tC.needn'tD.couldn't【答案】C【解析】情态动词的考察答复以must引导的一般疑问句，肯定答复用Yes，Sb.must.“是的，……必须〞否认答复用No，Sb.needn’t“不，……不必〞39.【2021•XX】—HowlongmayIkeepthebook?—You________keepitfortwoweeks.A.mayB.mustC.will答案A【解析】考察情态动词的用法。根据句意：我可以借这本书多久？你可以借两周。B，C两项译成汉语不通顺，应选A。【2021】28.—Susan,wouldyouliketogohikingwithusthisafternoon?—I'dloveto,butIstudyforatest.A.mayB.havetoC.can答案：B-.word.zl.\n-.【解析】情态动词的考察。May意为“可以〞；can意为“能够〞，haveto意为“不得不〞，根据句意可知“我不得不为考试而学习〞。(2021)30．—MayIsmokehere，please?—Iamafraidyou．Thisisanon-smokingarea．A．canB．can’tC．mayD．maynot解析：此题考察情态动词。由Thisisanon-smokingarea．“这是无烟区〞可知“不能〞在这里吸烟，故答案选B。【2021】()31.—Doyouknowthesongeon,Haixi!—Yes,andI_________singitwell.A.mustB.canC.need答案B【解析】情态动词的考察。Must意为“必须〞，can能够；need需要，根据句意应该是“能够〞。【2021】8.—MustIreturnthebookthisweek?—No,you____.Youcan_itfor20days.A.mustn't:keepB.needn't;borrowC.needn't;keepD.mustn't;borrow答案：C【解析】must答复与延续性动词的用法。Must开头的一般疑问句的否认答复用“……needn’t〞,由答语for短语指一段时间，故用延续性动词，borrow为短暂性动词，要换成延续性动词keep。〔2021XX市〕35.—Lookatthesign!—Oh,Isee.We_______wastewater.-.word.zl.\n-.A.canB.mustC.mustn’tD.needn’t35.答案：C【解析】情态动词的用法。根据标志可知为制止浪费水的标志。表示制止命令用must.因此选C。【2021】37.—_Iuseyoureraser,Rose?—Sure.Hereyouare.A.MayB.WouldC.NeedD.Must【答案】A【解析】情态动词的考察此处是“我能用一下你的橡皮吗？〞用may语气委婉。【2021湘西】31.—CanIborrowyourdictionary?—Yes,you_______.A.CanB.mustC.should答案：A【解析】考察情态动词上句用can问，再用can进展答复，构成进展时用“be+现在分词〞，所以选择答案A.(2021中考)23.-MustIhandinmyexercisebooknow,Mr.Zhao?-No,you.Youmaygiveittometomorrow.A.needn’tB.mustn’tC.can’t解析：此题考察情态动词。must的否认答复用needn’t，故答案选A。(2021)4.—Congratulations!You'vegotthefirstprizeintheEnglishContest.—_____itbetrue?It'sunbelievable!A.MayB.ShouldC.MustD.Can-.word.zl.\n-.答案：D【2021】7.You______finishthereporttoday.AnytimebeforeFridayisOK.A.mustn’tBmustC.needD.needn’t答案：D【2021•】()24.—CouldIuseyoureraserforawhile?—Yes,ofcourseyou_.A.couldB.canC.willD.Should答案：B【2021】—CanyouetomypartyonWednesday?—Sorry,Ican't.Ifinishmyhomework.A.mayB.wouldC.haveto答案：C【解析】考察情态动词的用法。根据句意“我必须完成我的作业〞，所以用have to。【2021】38.—________IwatchTVnow,Mom?—No.It’stoolate,andyou______gotobed.A.May;havetoB.Will;shouldC.Can;willD.Must;need答案：A【2021】33.—MustIfinishmyhomeworktoday,MsLiu?—No,_______.A.youmustn’tB.youdon’thavetoC.youcan’t答案：B【2021】6.Accordingtothenewtrafficlaws,people______driveafterdrinkingwineorbeer.A.wouldn’tB.couldn’tC.needn’tD.mustn’t答案：D-.word.zl.\n-.【2021江津】()33.A:CanIwearanyclothesIliketoschool?B:No,youcan’t.Youwearauniform(校服).A.mightB.willC.mustD.would答案：C【2021】34.—Willyoustayforsomemoredays?—Sorry,I_____.Mymothercalledtoaskmetogobackatonce.A.mustn’tB.maynotC.can’tD.wouldn’t答案：C【解析】情态动词表推测。句意：－你再呆几天好吗？－对不起，我不能，我的母亲打让我马上回去。Mustn’t制止；maynot可能不；wouldn’t不愿做……，将要不……。应选C。【2021枣庄】25.You______wearsportsshoeswhenyouclimbamountain.A.can’tB.shouldn’tC.mustn’tD.haveto答案：D【解析】D考察情态动词的用法。根据句意：爬山的时候你不得不穿运动鞋。前三个选项句意不通顺，应选D。【2021滨州】31.–MustIgetupearlytomorrowmorning?–No,_________.A.youmustn’tB.Idon’tthinkyouhaveto-.word.zl.\n-.C.youcan’tD.youneed答案：B【解析】考察情态动词的用法。情态动词must引导的一般疑问句的否认答语为“No,sb.needn’t./No,sb.don’thaveto.〞应选B。【】23.—Who’ssinginginthenextroom?—It____beher.ShehasgonetoNewYork.A.can’tB.mustC.shouldn’tD.can答案：A【解析】考察情态动词表推测。表示否认推测时，用can’t，意为“一定不……〞。must表示推测时，意为“一定……〞，用于肯定句；根据答语“她已经去了纽约〞可知是否认推测，应选A。【2021】38.—MustIlearnallthesewordsbyheart?—No,you______.It’llbefineifyoucopytheminyourexercisebooks.A.needn’tB.can’tC.shouldn’tD.mustn’t答案：A【解析】情态动词的用法。由must引导的问句，否认答复用needn’t。句意是“我必须都要记住这些单词吗〞“不用，只要你抄在练习本上就可以了〞。34.【2021·中考】—Mom,mustIfinishmyhomeworknow?—No,you______.Youmayhavesupperfirst.A.mustn’tB.needn’tC.can’t答案：B【解析】选B。考察情态动词的用法。对must引导的一般疑问句，否认答复时常用No,-.word.zl.\n-.…needn’t.由句意：－妈妈，我现在必须完成家庭作业？－不，你不需要。你可以先吃饭。应选B。【2021】22.－Willthenewiphonecostalot?－I______thinkso.Apple’sproductsareusuallyexpensive.A.shouldn’tB.needn’tC.wouldD.Must答案：C【解析】情态动词的用法。由“Apple'sproductsareusuallyexpensive.〞可推断“我也认为花费多〞。Iwouldthinkso.意思是“我以前就这么认为〞。应选C。【2021】22.  —Mustwecleantheclassroomnow?　　—No,youneedn't.It _____afterschool.　A.mayclean     B.mustclean   C.needbecleaned  D.canbecleaned答案：D【解析】考察情态动词及被动语态的用法。由句意可知it指classroom，it和clean为被动关系，所以用被动语态，含有情态动词的被动语态构造为“情态动词+be+动词过去分词〞。排除A和B。need意为“需要〞，can意为“可能，可以〞。由句意“—我们必须现在就清扫教室吗？—不，不必要。可以放学清扫〞可知。应选D。【2021】30.—Mr.Wang,canIfinishmyhomeworktomorrow?—Sorry,you_______.A.can’tB.don’tC.needn’tD.won’t答案A【解析】考察情态动词的用法。问句为“Can…..?〞时，否认答语用“…can’t〞。句意为“—王先生，我明天完成作业可以吗？—对不起，不行〞。应选A。【2021】21.---Wouldyouetomybirthdaypartytomorrowevening?-.word.zl.\n-.---I’mafraidI______.Ihavetolookaftermysister.A.wouldn’tB.can’tC.won’tD.mustn’t答案：B【解析】情态动词的用法。根据答语句意“Ihavetolookaftermysister.〞可知是去不了的，应选B。【2021】24.Itrainedheavily,sowe_______stayathomewatchingTVorsurfingtheInternetallday.A.couldB.hadtoC.must答案：B【解析】词语辨析。句意“雨下的很大，我们必须待在家里看电视或上网〞。hadto表示客观原因〔下雨〕而引起的必须干某事，must强调主观原因。could表示有能力干某事，与文意不相干。【2021】28.—MayItakethemagazineoutofthereadingroom?—No,youcan’t.You_________readithere.It’stherule.A.mustB.wouldC.mayD.might答案：A【解析】情态动词词义辨析。must必须；would将要；may也许；might可以。根据句意，我可以把杂志带出阅览室吗？不可以。你必须在这儿读它。这是规那么。应选A。【2021市】35.－Dad,mayIwatchTV?－No,youcan’t.You_______finishyourhomeworkfirst.A.mustB.canC.may答案：A【解析】考察情态动词。must表示“必须〞；can表示“有某种能力〞；may表示“-.word.zl.\n-.可以〞。根据文意：你不能看电视，你必须先完成作业。用must。应选A。【2021】18．一Bob，shallwegoandmeetournewclassmate?一Sorry．I'mbusynow．Butyou_________askDavidtogowithyou．Heisfree．A．needB．mayC．wouldD．must答案：B【解析】情态动词的用法。need意思是需要，may是可以，would指将要，must意思是必须，根据句意应该表示建议，应用may。【2021】30.Ifyouareinthezoo,remembernottotouchorgoneartheanimals.Althoughsomeoftheanimalsarecute,you_________leavethemalone.A.mustB.willC.mayD.can答案：A【解析】情态动词的意义。前文的remembernotto提示，下文空格处用情态动词must表示“必须〞。〔2021·〕8.–FiftydollarsforsuchaT-shirt!You_____bejoking!–I’mserious.It’smadeofsilk.A.mustB.needC.mayD.can8.答案:A解析:情景对话。理解句意，你一定在开玩笑。must意为：一定，应选A项。【2021威海】31.—Haveyoudecidedwheretogoforyoursummervacation?—Notyet.We_________gotoQingdao.Itisagoodplaceforvacation.A.mayB.shouldC.needD.must答案：A【解析】情态动词辨析。may意为“可能；可以〞，表示猜想时，把握性不大；should意为“应该〞；need指“需要〞；must为“-.word.zl.\n-.必须；可能；一定〞，表猜想时把握性较大。由答语句意“还没定下来〞和“〔〕是个度假的好地方〞可知为“可能〞，应选A。【2021江】38.—MustIbehomebeforeeighto'clock,Mum?—No,you_____.Butyouhavetoebackbeforeteno'clock.A.needn'tB.can'tC.mustn't答案：A【解析】情态动词。must引导的一般疑问句，否认答复是needn’t或don’thaveto,意为“不需要〞。应选A。【2021】3.—_________Iborrowyourhistorybook?—Sure.Hereyouare.A.MustB.MayC.NeedD.Will答案：B【解析】情态动词辨析。must“必须〞，may“可以〞，语气委婉，表示请求建议，need“有必要〞，will“要，想要〞，常用于第二人称的请求建议。语境“--我可以借你的历史书吗？--当然，给你。〞应选B.【2021】21.Thetalentedboy____writelyricswhenhewasattheageoften.A.mayB.couldC.must答案：B【解析】考察情态动词的用法。May意为“可以〞，can意为“能，会〞，must意为“必须〞。根据句意“当他10岁时这个多才的男孩就能写歌词了。〞可知表示能力，并且用过去时态。24.【2021•株洲】—Let’sgodancingtonight.!—Sorry,I________.Ihavetogotomyguitarlesson.A.mustn’tB.needn’tC.can’t答案：C-.word.zl.\n-.【解析】情态动词的用法。此题意思为“我们今天晚上去跳舞吧!〞“对不起，我不能去，我得去上吉他课。〞从答句中的haveto“不得不〞可以知道前面是表达不能去跳舞。不能是can’t.故此题答案为C。【2021•】19.Themagazine___________beLily's,forwecanfindhernameonthecover.A.mayB.mightC.couldD.must答案：D【解析】考察情态动词的用法。由wecanfindhernameonthecover“我们在封皮上发现了她的名字〞可推知这本杂志有“一定〞是丽丽的，故答案选D，意为“一定〞，语气最强；而其他三个选项都具有“可能〞之意，语气较弱，故排除。【2021】7.—Dad，canIgotothemoviestonight?--Sure，butyou__ebackhomebefore9o’clock.A.canB.mustC.mayD.might答案：B【解析】情态动词的用法can“能〞；must“必须，一定〞；may“可能〞；might“能，可能，也许〞。根据句意“爸爸，我今晚能去看电影吗？〞“当然可以，但你必须在九点之前回家〞。【2021】29.Drunkdrivingisagainstthelawnow.It______beforbidden.A.mayB.mustC.canD.might答案：B【解析】情态动词。may可以，must必须，can能，might可能。根据题意：酒驾现在是的，它必须被制止。选“必须〞。【2021】39..—IthinkthemanovertheremustbeBob.--It_______behim.Hehas______toAustralia.A.can’t,goneB.can’t,beenC.maynot,beenD.mustn’t,gone答案：A【解析】考察点：-.word.zl.\n-.情态动词can及现在完成时的用法。此处can’t表示推测语气，意为“不可能〞；“have/hasgoneto+地点〞意为“去了某地〞，表示不在说话人这儿；“have/hasbeento+地点〞表示“去过某地〞，现在已经回来了；mustn’t意为“严禁，不许〞，may表示不确定的推测语气。句意为“—我认为那边的男人一定是Bob。—不可能是他。他已经去了澳大利亚。〞应选A。【省2021】31.Theworkistoohardforhim.He__________finishitontime.A.can'tB.mustn'tC.shouldn'tD.needn't【答案】A【解析】情态动词的考察句意为“这工作对他来说太难。他不可能按时完成〞。can't用在否认句中表示“不可能〞；mustn't“绝对不能，制止〞；shouldn't“不应该〞needn't“不必〞【2021】27.Thisdictionary______Tom's.IthasAnn'snameonitA.mightbeB.mayheC.can'tbe答案：C【解析】情态动词。根据句意：上面有安的名字。推断出前一句应该是，这本字典不可能是汤姆的。选C。【2021黄冈】41.—WhoseT-shirtisthis?—It______beJohn's.It‘s______smallforhim.A.can't;muchtooB,can't;toomuchC.mustn't;muchtooD.mustn't;toomuch答案：A【解析】情态动词的用法。根据句意“它不可能是约翰的，对他来说太小了。〞故排除C、D，“toomuch〞为“太多〞的意思，“muchtoo〞为“太〞。应选A。【2021】33.--MayIgooutnow,Dad?-.word.zl.\n-.--No.You__letyourmotherknowfirst.A.canB.mayC.needD.must答案：D【解析】选D。考察情态动词词义。由答句中“不〞，表示语气要求很坚决，应该是“必须〞。【2021•】26.—_______wecleantheclassroomatonce?—No,you_______.You_______cleanitafterschool.A.Must;needn’t;mayB.Must;mustn’t;can.C.Shall;can’t;mustD.Need;mustn’t;may答案：A【解析】情态动词的用法。根据前后句意可推断对方在询问“我必须马上清扫教室吗？〞。而must引导的一般疑问句否认答复时用needn't。应选A.(2021宿迁)15.Youlookquitetired.You’dbetter______agoodrest.A.stoptohaveB.stophavingC.tostoptohaveD.tostophaving【答案】A【解析】此题考察hadbetter的用法。hadbetter(常简单为’dbetter)是一固定词组，hadbetter"最好"，用于表示对别人的劝告、建议或表示一种愿望。应选A【2021】25.-CanIskateonthelakenow?-No,you______.It’sdangerous.A.can’tB.mustn’tC.needn’tD.won’t-.word.zl.\n-.25.答案：B【解析】考察点：此题情态动词的用法。解题思路：mustn't表示制止…，千万不能…；can，t表示不能；need，t表示不需要；won，t表示不会。根据下文“It，sdangerous〞可知故此题选B。【2021】39.You_____loseyourwayifyouwalkaloneinthemountainsatnight.A)mayB)needC)shouldD)oughtto答案：A【解析】考察点：情态动词的用法。解题思路：此处由句意可知需要情态动词may，表示推测语气，选项B、C、D均不表示推测语气；9.【2021•】—Peterdoesn’tmindlendingyouhiscamera.—He__________.I’vealreadyborrowedone.A.needn’tB.can’tC.mustn’tD.shouldn’t答案：A【解析】根据I’vealreadyborrowedone.“我已经借到一架了。〞可推知彼得“不必〞再借给了，故答案选A；而can’t“不肯能〞：mustn’t“不准、不应该、不允许〞：shouldn’t“不该〞均不合句意，故排除。【2021】30.—Ican’tstopsmoking,doctor.—Foryourhealth,I’mafraidyou______.A.mayB.canC.havetoD.need答案：C【解析】交际用语的考察。根据句意“医生，我不能戒烟。为了你的安康，恐怕你不得不。〞may意为“可以〞；can意为“能够〞；need意为“需要〞均不符合句意。-.word.zl.\n-.【2021】20.—Goodmorning.I'vegotanappointmentwithMsKinginheroffice.—Morning.You_______beMrJones.Thisway,please.A.willB.mustC.canD,might答案：B【解析】情态动词的用法。will将要，表意愿；must必须；应该，表猜想时，用于肯定句，意为“一定〞，可能性较大；can能，会，表猜想时，常用于否认句和疑问句；might可能，表猜想时，可能小。依据句意“你一定是琼斯先生吧。〞，应选B。【2021】12.----Dad,thebreadisnotenough.Iamstillhungry.Ihavesomethingmore?----Butthere’snothinginthefridgenow.A.MustB.NeedC.WillD.Can答案：D【解析】考察情态动词的用法。must意思是“一定，必须〞；need意为“需要〞；will意思是“将要〞；can意思是“可能，可以〞。根据句子“Iamstillhungry.我仍旧很俄。〞可推断“我可以再吃点东西吗〞，应选D。【2021•】32.—Oiliseverywhereinthisstore,soyouknowsmokingisforbiddenhere.—I'msorry.A.canB.mayC.must答案：C【解析】考察情态动词表示推测。根据句意应该是语气强烈的肯定推测。故用must。【2021•】3.—Where'sDavid?-.word.zl.\n-.—Hebeintheplaygroundbecauseheisfondofplayingbasketball.A.willB.mayC.can'tD.mustn't答案：B考察情态动词表推测。根据第二句意“他......在操场上，因为她喜爱打篮球〞可知。【2021·】 33.-Look,Sueisoverthere.    -That____beher.SheisinCanadanow.    A.mustn’tB.can’tC.needn’tD.won’t答案：B【解析】考察情态动词的用法。由空隔后“现在在加拿大〞可知，她现在不可能在那边。表示否认推测，语气比拟强烈，用can’t。   【2021】36.—MustIgothroughtheradiation(辐射)checkwhenIebackfromJapanattheairportthesedays?—Yes,you______.A.canB.mayC.mightD.must[答案：D【解析】情态动词。情态动词must意为“必要〞时，引导的问句的肯定答复用must。【2021•】40.—Where'smymusicdisc?Ican'tseeit!—You'dbetterthedisccarefullyinyourbedroom.A.lookupB.lookthroughC.lookfor答案：C【解析】考察短语动词辨析。lookup查找，查阅；lookthrough浏览；lookfor寻找。答句意思：你最好在你的卧室仔细找一找......-.word.zl.\n-.【2021】16.—Lookatthemanintheclassroom!IsheMr.White?—No,it__________behim.He'seatinginthedininghall.A.can'tB.mustn'tC.maynotD.needn't答案A【解析】考察情态动词的用法。由答语“He'seatinginthedininghall.〞可推测他不在教室。应选A。can’t“不可能〞；mustn’t“制止〞；maynot“可能不〞；needn’t“不必，没必要〞。〔2021〕27.---Dowehavetogotoschoolthisafternoon?---Yes,you________.A.mustB.canC.need本句的haveto表达的意愿比拟强烈，肯定句用must答复。答案:A【2021．】28.Therearenocustomersinthehotel.It______havethefriendliestservice.A.can’tB.mustC.mayD.needn’t答案：A【解析】考察点：情态动词辨析。解题思路：根据句意得出A.【2021】26.Aswe’restudents,we__________obeytheschoolrules.A.canB.mayC.mustD.could答案：C【解析】考察情态动词的用法。根据句意：作为学生，我们必须遵守校规。(2021日照中考)29.----ThatmustbeMr.John.----No,it________behim!Isawhimoffattheairporthalfanhourago.-.word.zl.\n-.A.maynotB.mustn’tC.can’tD.needn’t解析：情态动词表示推测，否认句中用can’t表示“不可能〞。(2021)4.—Congratulations!You'vegotthefirstprizeintheEnglishContest.—_____itbetrue?It'sunbelievable!A.MayB.ShouldC.MustD.Can答案：D【2021•】25.Youworryaboutme.I’mfine.A.can’tB.mustn’tC.needn’t答案C。【解析】情态动词。句意：你不心担忧我，我很好。【2021.XX】36.—Whoseschoolbagisthis?—It___________beMary’s.Ithashernameonit.A.canB.mayC.willD.must答案：D【解析】考察点：情态动词辨析。解题思路：书包一定是玛丽的，因为上面有她的名字。(2021)29.---Maywegohomemow?---No,you____.You____togohomeuntil5o’clock.A.mustn’t;areallowedB.don’thaveto;aresupposedC.needn’t;aren’tallowedD.can’t;aren'tsupposed答案：D考察点：情态动词以及not…until…的用法。解题思路：以May开头的征求意见的句子的否认答复一般情况下用can’t,又从句意看也只能选择D.-.word.zl.\n-.【2021】33.---Mr.Wang_____beontheplayground,Ithink.---He______beontheplayground.Isawhimintheofficejustnow.A.may;maynotB.can;mustn’tC.must;couldn’tD.may;can’t答案：D解析：情态动词。上句的Ithink提示空格处意为“或许〞，用情态动词may表达不肯定的猜想；答语中下句提示上句意为“不可能在操场上〞，用can’t表示否认的猜想。7.【2021】----Shallwemeetatthestationat8am?----Infactwe.Thetrainuntil10am.A.mustn’t;doesn’tleaveB.mustn’t;leavesC.needn’t;won’tleaveD.needn’t;willleave答案C【解析】考察not…until句型。根据shallwe可以判断出下面用一般将来时；再根据“火车十点才发车〞可知用needn’t；所以C为正确答案。29.【2021•东营】Bytheyear2021,allofChina'smuseumswillbefreetoenter.We_______visitanymuseumwithoutpaying.A.canb.needC.mustD.should答案：A【解析】考察情态动词的用法。Can意为“可以；能〞，need意为“需要〞，must意为“必须〞，should意为“应该〞。由句意“到2021年中国所有的博物馆将开放进入。我们可以不用花钱参观任何一个博物馆。〞可知。应选D-.word.zl.