情態(tài)動詞表推測的講解及練習題

1、鍵入文字九年級英語表推測語氣的講解與練習表推測時，英語中只使用must,may,might,mayno蚌口cant。這五個表達的語氣依次遞減：must:一定（語氣肯定）may:也許（不很肯定）might:或許（比may語氣更弱）maynot:也許不（表否定）cant:定不（must的反義）推測現(xiàn)在的事情用must,may,might,maynot和cant+do或bee.g.Shemustbeathomenow.Theboymayplaynow.推測過去的.情用must,may,might,maynot和cant+havedonee.g.Shemighthavebeen川yesterday.H

2、emusthaveholdtheparty.情態(tài)動詞must,can,could,may,migh表推測的用法情態(tài)動詞中的must,can,could,may,mighty表推測。其中must的可能性最大，can/could次之，may/might最小。具體用法如下：1.must的用法（1）表示推測可能性”時，意思是定、準是”，語氣較肯定，較有把握。HemustbeAmerican.=ItiscertainthatheisAmerican.他準是個美國人。（2） must表推測只能用于肯定句。如果要表示定不、肯定不”的意思時，應用can如詢問某種可能時，應用carloHemustknowmya

3、ddress.他肯定知道我的地址。（一定）Hecantknowmyaddres他肯定不知道我的地址。（一定不）Canheknowmyaddress?他知道我的地址嗎？（詢問可能性）（3） must表示推測時，可以推測現(xiàn)在/正在發(fā)生的動作/過去發(fā)生的動作。Hemusthaveacarnow.（現(xiàn)在）他一定有輛小汽車。Hemustbedoinghisexercisesintheclassroom（正在進行）他一定在教室里做練習。Hemusthavefinishedthework.（過去發(fā)生）他一定已完成了工作。注：must表示推測時很少用于將來的情況。一般不用Hemustcometomorrow可

4、用Itscertain/Imsurethathewillcometomorrow.（4）在反意疑問句中，當附屬部分含有表示推測意義的must時，疑問部分的助動詞應與must后面的動詞在非推測情況下的用法保持一致。Hemustbeaworker,isn（處的他準是個工人，是嗎？Itmusthaverainedlastnight,didn（過去）昨晚一定下雨了，是不是？鍵入文字YoumusthavelearnedEnglishformanyyears,haven(IctJyfeU?你一定學了好多年英語，是嗎？2.can/could的用法(1) can表示推測可能性”時，往往用于否定句或疑問句。Ca

5、nt一定不，語氣很肯定。can在疑問句中意思是蕓、可能”。用于肯定句時，表示理論上的，潛在的可能性(有傾向，實際上未必會發(fā)生或者不涉及實際是否發(fā)生)往往與sometimes或者someone有關(guān)。Accidentscanhappen.Hecantbehome.=Itisimpossiblethatheisathome.他一定不在家。(2) can/can后可接進行時/完成時，表示對現(xiàn)在發(fā)生的動作或過去發(fā)生的動作進行推測。Theycantbereadinginthelibra他們一定不在圖書館讀書。HecanthavegonetoShanghaiforIsawhimaminuteago.他不可能

6、去了上海，我剛才還看見他。Itssolate.Wherecanhavegone?天晚了，她可能去哪兒了呢？(3)在反意疑問句中，當陳述部分含有表示推測意義的can時，疑問部分的助動詞應與can后面的動詞在非推測情況下的用法保持一致.Hecantbeateacher,isheW是教師，是嗎？Shecanthavefinishedherhomework,hasshfeA定沒有完成家庭作業(yè)，是不could可用于表示某事有可能發(fā)生表示可能性不大的推測。意思相當于may/mightDonteat.itItcouldbepoisonous.不要吃它，可能有毒。Theplanecouldbedelayedb

7、yfog.飛機可能會因為霧晚點。(5) could還可以用于表示客氣、委婉、禮貌的請求語氣。Excuseme,couldyoutellmethewaytothebusstation?Couldyouhelpme?(6) couldn表示否定推測，表示某事不可能真實，或由于特定事實或環(huán)境某事肯定不會發(fā)生。Itcouldntpoysbibpoison.這不可能是毒藥。表示對過去發(fā)生的事推測，常常和havedone連用Hewasnotathomelastnight.Hecould/mighthavegonetomovies.Ididntseeheratthemeetingyesterday;shec

8、ouldnthavespokenatthemeeting.3.may和might的用法（1） may,might表示推測可能性”時，意思是可能、也許，語氣沒有mustHemay/mightbeAmerican.=ItispossiblethatheisAmerican.他可能是個美國人。注：might不表示過去時態(tài)，只是語氣上比may更委婉，表示的可能性更小。鍵入文字（2） may,might表推測時，可以用于否定句，意思是可能不、也許不”，但不用于疑問句。Hemay/mightnotbeathome.他也許不在家。（3） may,might可以推測現(xiàn)在正在發(fā)生的動作或過去發(fā)生的動作。Hema

9、y/mightbesleepingnow.（現(xiàn)在）他可能正在睡覺。Theboymay/mightnotbewatchingTVathome.（現(xiàn)在）這個男孩可能沒在家看電視Thesestudentsmay/mighthaveseenthefilmbefore（過去）這些學生以前可能看過這部電影。（4） may,might還可以推測將來的情況。Ithinkweshouldtakeraincoatwithus,itmayrain.我想我們應該帶上雨衣，可能要下雨了。Shemightnotcomethisafternoon.她今天下午可能不來能用于表推測的情態(tài)動詞：must,can,could,wi

10、ll,would,may,might,should,oughtto1 .在肯定句中一般用must（一定），may（可能），might/could（也許，或許）（1） Hemust/may/mightknowtheanswertothisquestion?他一定/可能/也許知道這個問題的答案。（2） Itiscoldintheroom.Theymusthaveturnedofftheheating.屋里很冷，他們肯定把暖氣關(guān)了。2 .否定句中用cant/couldnt（不可能）,maynot/mightnot（可能不）。（1） Itcant/couldntbetheheadmaster.Heha

11、sgonetoAmerica.這不可能是校長，他去美國了。（2） Hemaynot/mightnotknowthescientist.他也許不認識那位科學家。3 .疑問句中用can/could（能？）。（1） Couldhehavefinishedthetask?他可能把任務(wù)完成了嗎？（2） Canhebeathomenow?他現(xiàn)在能在家嗎？注：以上三種句式中情態(tài)動詞的語氣按程度都是依次遞減的。Might,could并非may,can的過去式，而表示語氣較為委婉或可能性較小。（二）情態(tài)動詞表推測的三種時態(tài)5:00前她一定/可能/也許到。1.對將來情況的推測，用“情態(tài)動詞+動詞原形(1) She

12、must/may/might/couldarrivebefore5.(2) Shemust/may/might/couldwalkmilesandmilesamongthehillswithoutmeeting鍵入文字anyone,她一定/可能/也許會在山里一連走好幾英里而遇不到一個人。2.對現(xiàn)在或一般情況的推測，用|“情態(tài)動詞+be”|“情態(tài)動詞+bedoing”或“情態(tài)動詞+動詞原形(1) Hemust/may/might/couldbelisteningtotheradionow.他一定/可能/也許正在聽收音機。(2) Hecant(couldnt)/may(might)notbeath

13、omeatthistime.這個時候他不可能/可能不在家。(3) Mr.Bushisontimeforeverything.Howcan(could)hebelatefortheopeningceremony?布什先生一向準時，這次開幕式他怎么可能遲到呢？3.對過去情況的推測，用情態(tài)動詞+have+過去分詞(1) Itmust/may/might/couldhaverainedlastnight.Thegroundiswet.地濕了，昨晚肯定/可能/也許下雨了。(2) Thedoorwaslocked.Hecan(could)not/may(might)nothavebeenathome.門鎖

14、著，他不可能/可能不在家。(3) Can/Couldhehavegottenthebook?難道他找到書了嗎？注：情態(tài)動詞should/oughtto表推測時，意為“想必會，理應但與have+過去分詞”連用時，則又可構(gòu)成虛擬語氣意為“本應該做某事卻沒做”。例如：(4) Itssevenoclock.Jackshould/oughttobehereatanymoment.現(xiàn)在七點鐘了，杰克理應隨時到達。(推測)(5) Sheshould/oughttohaveattendedyourbirthdayparty,butshehadtolookafterhermotherinhospital.(虛擬

15、)她本該出席你的生日晚會的，可是她得在醫(yī)院照顧她媽媽。(6) Tomshouldnot/oughtnottohavetoldmeyoursecret,buthemeantnoharm.(虛擬)湯姆本不該告訴我你的秘密，可是他并無惡意。補充強調(diào)：推測的句型特點(對某一次的推測句型有兩部分：語氣和時態(tài))(1)語氣部分：(以下情態(tài)動詞語氣由強至弱)肯定句否定句疑問句must、maymight(=could)cant(=couldnt)、mayHt、mightncan、could(語氣更加委婉不確定)(2)時態(tài)部分：be表示對覘在|的推測havedone表示對|過去|的推測bedoing表示對正在進行

16、的推測語氣部分寫在前時態(tài)部分寫在后，組合在一起就是推測(三)幾組表推測的情態(tài)動詞用法鍵入文字情態(tài)動詞+完成時”是歷年高考的熱點，在做此類練習時，既需要掌握這一結(jié)構(gòu)的基本用法，又應該仔細體會題干所提供的語言信息，準確理解語言環(huán)境和說話人的含義，尤其要注意題干中時態(tài)給予的暗示。定，想必”，句子中表示的是cant(couldn)thavedone,l.musthavedone表示對已經(jīng)發(fā)生的事情的推測，意為種肯定的推測。這種結(jié)構(gòu)一般只用于肯定句，其否定形式是表示不可能，肯定不會”。例如：Hedidnthearthephone.Hemusthavebeenasleep.他沒有聽到電話響，他肯定是已經(jīng)睡

17、著了。HemusthavebeentoShanghai.他一定去過上海。Theycanthavegoneout,becausethelightisonfe們不可能出去，因為燈亮著。2. can(could)havedone表示對過去的時間內(nèi)可能發(fā)生的事情的猜測，canhavedone般只用于否定句和疑問句。couldhavedone還可以用于肯定句，常用來表示本來可能完成而實際未完成的動作。例如：Hecanthavefinishedtheworksosoon這項工作他不可能完成得這樣快。Wecouldhavewalkedtothestation,itwassonear.我們本來是可以走到車站去

18、的，路很近。3. may(might)havedone(1)表示對已經(jīng)發(fā)生的事情的不太肯定的推測，意為可能已經(jīng)，或許已經(jīng)(2)虛擬用法表示本可以做，但卻沒做(表示很委屈地責備)Ifwehadtakentheotherroad,wemighthavearrivedearlier.如果我們選擇另一條路，我們可能會到得早一些。Hemighthavegivenyoumorehelp,hewasverybusy.他本來是可以給你更多幫助的，盡管他很忙。4. neednthavedone際上做了本來不必要做的事，意為茶來不必”。例如:thavehurried.Therewasplentyoftime.Sh

19、eneedn時間很充裕，她本不必匆忙。Youneednthavetoldhimthenews.他本來不必把這個消息告訴他。5. should(oughtto)havedone指本該做而實際未做的事，意為本來應該“。其否定式shouldntoughtn)thavedone則表示某種行為不該發(fā)生但卻發(fā)生了。例如：Youshouldhavestartedearlier,butyoudidnt.你本應該早一點出發(fā)，但是你沒有。Yououghttohavehelpedhim(butyoudidn).t你本應該幫助他。Weshouldnthavewaitedforherbecauseshenevercam

20、e.我們本不應該等她，因為她根本不會來。6. Wouldhavedone本想做(去口沒做)wouldnthavedone本不想做(去口做了)Iwouldhavehelpedyou,butIwastoobusy.我本想幫你，但我太忙了。小試牛刀、單項選擇1 Johncometoseeustonight,butheisntverysureyet.A.mayB.needC.cantD.must2 Johnisntintheclassroom.HeplaysoccerontheplaygroundwithBob.鍵入文字A.canB.mustC.shouldD.can3 Thatnotbeherhus

21、band.Sheisstillsingle.A.mayB.canC.couldD.might4 Yougoandseeadoctoratoncebecauseyougotafever.A.canB.mustC.dareD.would5 -CanyouspeakJapanese?-No,I.A.mustntB.cantC.needntD.maynot6 -Hebeintheclassroom,Ithink.-No,hebeintheclassroom.Isawhimgohomeaminuteago.A.can;maynotB.must;maynotC.may;cantD.may;mustnt7-

22、IsLenaswimminginthepool?-No,sheswim.Sheisterrifiedofwater.A.maynotB.mustnotC.cantD.neednt8Heisntatschool.Ithinkhebeill.A.canB.shall9-Whatdoyouthink-Imnotsure.ItC.mustD.might“upsets?meamean“sad”.A.mayB.mustC.canD.should10 Thechildrenplayfootballontheroad.A.cantB.canC.mustntD.must11 .Theroadiswet.Itla

23、stnight.A.mustrainB.musthaverainedC.couldhaverainedD.canhaverained12 .Heyoumorehelp,eventhoughhewasbusy.AmighthavegivenBmightnotgiveCmaynothavegivenDmaygive1. Look!Thelightisoutinherroom.Shetobedalready.A.mustgoB.hadtogoC.musthavegoneD.hasgone2. Wehadawonderfultimeyesterday.You.Whydidntyoucome?A.had

24、tocomeB.shouldhavecomeC.mighthavecomeD.musthavecome3. ITherewerealreadyfivepdopnthecarbuttheymanagedtotakemeaswell.Itacomfortablejourney.A.cantbeB.shouldntbeC.mustnthavebeenD.couldnthavebeen4. MysistermethimattheGrandTheatreyesterdayafternoon,soheyourlecture.A.couldnthaveattendedB.neednthaveattended

25、鍵入文字C.mustnthaveattendedD.shouldnthaveattended5. Iwasreallyanxiousaboutyou.Youhomewithoutaword.A.mustntleaveB.ShouldnthaveleftC.CouldnthaveleftD.needntleave6. Oh,Imnotfeelingwellinthestomach,Iomuchfriedchickenjustnow.A.shouldntcutB.mustnthaveeatenC.shouldnthaveeatenD.mustnteat7. Mr.Whiteat8:30forthe

26、meeting,buthedidHtshowup.A.shouldhavearrivedB.shouldarriveC.shouldhavehadarrivedD.shouldbearriving8. Youbetired-youveonlybeenworkingforanhour.A.mustnotB.wontC.cantD.maynot9. -IsntthatAnnshusbandoverthere?-No,itbehim-Imsurehedoesntwearglasses.A.cantB.mustnotC.wontD.maynot10. Therebeanydifficultyabout

27、passingtheroadtestsinceyouhavepractisedalotinthedrivingschool.A.mustntB.shantC.shouldntD.neednt11. Iwasonthehighwaywhenthiscarwentpastfollowedbyapolicecar.Theyatlease150kmanhour.A.shouldhavebeendoingB.musthavebeendoingC.couldhavedoneD.wouldhavedone12. Hehavecompletedhiswork;otherwise,hewouldntbeenjo

28、yinghimselfbytheseaside.A.shouldB.mustC.wouldntD.cant13. -ThewomanbiologiststayedinAfricastudyingwildanimalsfor13yearsbeforeshereturned.-Oh,dear!Shealotofdifficulties!A.maygothroughB.mightgothroughC.oughttohavegonethroughD.musthavegonethrough14. Thiscakeisverysweet.Youalotofsugarinit.A.shouldputB.co

29、uldhaveputC.mightputD.musthaveput15. Catherine,Ihavecleanedtheroomforyou.Thanks.Youit.Icouldmanageitmyself.A.needntdoB.neednthavedoneC.mustntdoD.shouldnthavedone16. Tomisneverlateforwork.Whyisheabsenttoday?Somethingtohim.A.musthappenB.shouldhavehappenedC.couldhavehappenedD.musthavehappened情態(tài)動詞+haved

30、one結(jié)構(gòu)1.-YoudidntwaitforMr.Smithlastnight,didyou?-No,butwe.Hedidntreturnhomeatall.A.couldnthavewaitedB.neednthave鍵入文字C.didntneedtoD.shouldwait2. HarryhavewonthePhysicscompetitioneasilyyesterday,buthegaveup.A.couldB.mightC.shouldD.must3. -MayIspeaktoyourmanagerMr.Smithatsixoclocktonight?”-Imsorry,Mr.S

31、mithtoaconferencebeforethen.”A.willhavegoneB.hadgoneC.wouldhavegoneD.hasgone4. -Tomtookawayourteacherscellphonewithoutbeingpermitted.-Really?Icantimtgathehavedonesuchathing.A.mustB.mayC.canD.should6. Theweatherturnedouttobefineyesterday.Ithetroubletocarrymyumbrellawithme.A.shouldhavetakenB.couldhave

32、takenC.neednthavetakenD.mustnthavetaken7. Hepaidforaseat,whenhehaveenteredfree.A.couldB.wouldC.mustD.need8. Ididntseeherinthemeetingroomthismorning.Sheatthemeeting.A.mustnthavespokenB.mightnthavespokenC.canthavespokenD.shouldn6kehavesp9. -Hi,isthatPeterBrown?-Sorry.Youthewrongnumber.A.mustdialB.must

33、havedialedC.shoulddialD.shouldhavedialed10. Iwasonthehighwaywhenthiscarwentpastfollowedbyapolicecar.Theyatleast150kilometersanhour.A.shouldhavebeendoingB.musthavebeendoingC.couldhavedoneD.wouldhavedone11. Heisnotpoor.Youhavelenthimthemoney.A.cantB.needntC.couldntD.mustnt12. Therewasplentyoftime.Youh

34、avehurried.A.wonB.mustntC.needntD.couldnt13. Hepaidforaseat,whenhehaveenteredfree.（05東）A.couldB.wouldC.mustD.need-On,itmybrother,Peter.A.mustbeB.musthavebeenC.canhavebeenD.mightbe14. Ihereintime,butImetanoldfriendofmine.Istoppedandtalkedwithhimforsometime.A.shouldnthavecomeB.musthavecomeC.neednthave

35、comeD.couldhavecome15. Theyhavefinishedtheworkyesterday,butitwasraininghard.A.mustB.couldC.shouldD.might16. Somethingtohim.（05江西22題）A.musthappenB.shouldhavehappenedC.couldhavehappenedD.musthavehappened鍵入文字情態(tài)動詞專練1、TheredbikebeHus.Shehasabluebike.A.mustB.mightC.canD.cant2、RingmeupwhenyougettoBeijing,p

36、lease?Sure!I.A.mustB.willC.shouldD.can3、-CanyouspeakChinese,Kate?-Yes,I.ButIspeakitwell.A.can,canB.cant,cantC.cant,canD.can,cant4、Youplaycomputergamesforalongtime.Itsbadforyoureyes.A.shouldB.shouldntC.couldD.donthaveto5、A:DoesLuciastillshareahousewithhissister?B:Idontknow.He.A.mightbeB.mightC.mighth

37、ave6、A:IsMyrnaworkinginthecitytoday?B:SheImnotsure.A.couldB.couldhaveC.couldbe7、A:HowdoesSheilagettoschool?B:Idontreallyknow.Shethebus.A.mighttakeB.takesC.musttake8、A:MydaughterjustgotascholarshiptoStanford!B:Youbeproudofher.鍵入文字A.couldB.mustC.might9、A:WheresRose?B:Imnotsure.Sheinthelibrary.A.isB.mi

38、ghtbeC.mustbe10、Myfriendhaslosthisbluebike.Thisonehis.A.maybeB.mustbeC.mightbeD.is11、Dickisntatschooltoday.Heillathome.A.maybeB.maybeC.wasD.cantbe12、LiuMeisnameisonthebag.Ithers.A.wasB.hasbeenC.mustbeD.willbe13、單項選擇“answerthisquestioninEnglish?“No,you.YouansweritinChinese.”A.May,neednt,canB.Must,nee

39、dnt,mayC.May,mustnt,couldD.Must,mustnt,can14、一Look!Amaniscuttingatreeonthemoon.Itbetrue.Theteachersaidthereisnoaironthemoon.A.cantB.maynotC.shouldntD.mustnt15、WillyouseehimnextMonday?A.canB.abletoC.beabletoD.canbeableto16、單項選擇.HebefreeuntilnextFriday.A.willB.willnotC.dontD.hasnt_playthepianoverywell

40、.17、AlthoughLilyisonlyeightyearsold,she_10鍵入文字A.canB.shouldC.mayD.must18、shewell?Yes,shecanA.Does,danceB.Can,danceC.Is,dancingD.can,dances19、-MustIhandinmyhomeworknow,Mr.Smith?No,youA.mustntB.cantC.wontD.neednt20、Youreturnthebooknow.Youcankeepitforanotherweek.A.mustntB.cantC.needntD.maynot21、一MustIr

41、eturnthebooktomorrowmorning?-No,you.Youkeepitforthreedays.A.mustnt,mayB.mustnt,mustC.neednt,canD.neednt,must22、-1dontcarewhatmyparentsthink-Well,you.A.couldB.shouldC.wouldD.must23、一Haveyoudecidedwheretogoforyoursummervacation?-Notyet.WegotoQingdao.Itisagoodplaceforvacation.A.needB.shouldC.mayD.must2

42、4、一CanIhandinmyhomeworktomorrow?No,youcant.Youhanditinnow.A.mightB.wouldC.mustD.will25、-Imakeaphonecallhere,Mr.Chen?-No,you,butyoumakeaphonecallinthelounge（休息室）.11鍵入文字A.Must;maynot;havetoB.May;mustnt;canC.Should;cant;mayD.Must;neednt;haveto26、ThisT-shirthis.Hisismuchsmaller.A.cantbeB.mustntbeC.maybe

43、D.shouldbe27、-couldhehelpme?-Imsurehe.A.couldB.wouldC.didD.had28、-youspell“computer”,please?-Sorry,Icant.A.AreB.IsC.CanD.Am29、-Canyourideahorse?-No.I.A.needntB.maynotC.cantD.mustnt30、-Mustweleavenow?-No,we.Westillhavetwomorehours.A.cantB.mustntC.needntD.shouldnt1.Theresomeflowersinthegarden.A.wereus

44、edtobeB.usedtobeC.usestobeD.usedtobehaving3.Itakeitout?Imsorry,you.A.Could.couldntB.Might.mightnotC.Could.canD.May.cant6. Allthelightsareon,theSmithsup.A.mustgetB.isgettingC.mustbegettingD.wouldget7. Heleadahorsetothewaterbuthenotmakeitdrink.A.will.canB.may.canC.may.daresD.dare.can12鍵入文字Yes,9.8. Nee

45、dwedothisjobnow?A.youneedB.youshouldC.youmustD.youcantohavelunchwithustoday?A.DoyoulikesB.WouldyoulikeC.WillyoulikedD.Haveyouliked11. -IsJohncomingbytrain?-Heshould,buthenot.Helikesdrivinghiscar.A.mustB.canC.needD.may12. Petercomewithustonight,butheisntverysureyet.A.mustB.canC.mayD.will13. Michaelbe

46、apoliceman,forhesmuchtooshort.A.needntB.cantC.shouldntD.wont16. Comeon!Wehurrybecausethereisntmuchtimeleft.A.mayB.mustC.canD.need1. Mum,mayIwatchTVnow?Sure,butyouhelpmewithmyEnglish.A.canB.mayC.mustD.could2. 一Idownloadthearticleagain?一No,youneednt.A.ShallB.WillC.MustD.Can3. Canyougoskatingwithusthis

47、afternoon?Sorry,Icant.Itakecareofmylittlesisterathome.A.canB.mayC.wouldD.haveto4. 一MustIhandinmyexercisebooktoday13鍵入文字No,you.A.cantB.needntC.mustntD.wont5. MayIhaveawordwithyou?-No,you.Imbusytoday.A.needntB.wouldntC.donthavetoD.cant6. 一IhaveyourEnglishname,please?Yes,Helen.H-E-L-E-N.A.MustB.MayC.Wi

48、llD.Need7. -Whoistheboyoverthere?IsitJohn?No,itbehim.Johnismuchtaller.A.mustntB.maynotC.cantD.neednt8. 一CanyouplayFrisbee,Jay?-Yes,I.Itseasy.A.mustB.canC.needD.may9. 一Youmustcomebackeverymonth.Yes,I.A.willB.mustC.shouldD.can10. Sheknowtheanswer,butImnotsure.A.maybeB.maybeC.mayD.must11. 一Mustwecleant

49、heroomrightnow?No,you.Youcleanitafterlunch.A.neednt;mayB.neednt;mustC.Mustnt;canD.mustnt;may14鍵入文字12. Johncometoseeustonight,butheisntverysureyet.A.mayB.canC.hastoD.must13. Childrenplaywithfire.A.mustntB.cantC.shouldntD.neednt14. 一Icomein,MrGreen?Yes,comein,please.A.MustB.NeedC.WillD.May15. 一MustIfinishtheworktoday?No,you.Youfinishittomorrow.A.mustnt;mayB.cant;canC.neednt;mayD.neednt;must答案:1.B3.D6.C7.B8.C9.B11.D12.C13.B16.B19.A1. -LetsgotoTaishanParkbytaxi.Ttsnotfar.Wetakeataxi.A.needntB.cantC.mustntD.couldnt2. TthinkMissGaomustbeinthelibrary.Shesaidshewouldgothere.