高中英語課件非謂語動(dòng)詞

wellcomewellcome非謂語動(dòng)詞（復(fù)習(xí)）non-infinitive非謂語動(dòng)詞（復(fù)習(xí)）____lateinthemorning,Bobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.Havingslept

2001春季高考第21題2001年春季高考第24題Onelearnsalanguagebymakingmistakesand___them.A.correctB.correctingC.correctsD.tocorrect1（22題）____lateinthemorning,Bob類型年份題量不定式-ing過去分詞199621（18題）1（23題）199721（12題）199821（25題）199932（14、21題）1（25題）200021（19題）1（22題）近五年非謂語動(dòng)詞在高考中的復(fù)現(xiàn)率類型題量不定式-ing過去分詞19962過去分詞不定式-ing形式非謂語動(dòng)詞過去分詞不定式-ing形式非謂語動(dòng)詞不定式的作用不定式的時(shí)態(tài)不定式的否定形式不定式近五年不定式考查了5道題，主要考查了不定式做賓語和表語。此外還考了不定式的時(shí)態(tài)和否定形式。不定式的作用不定式的時(shí)態(tài)不定式的否定形式不定式近五年不定式考1.作狀語2.作定語3.作表語4.作補(bǔ)語過去分詞1.作狀語2.作定語3.作表語4.作補(bǔ)語過去分詞不定式不定式的作用1[例1]NMET2000第19題I’veworkwithchildrenbefore,soIknowwhat___inmyjob.A.expectedB.toexpectC.tobeexpectingD.expectsB解析該題考查疑問+不定式在句中做賓語的用法。英語中有一些動(dòng)詞后可以跟一個(gè)疑問詞的不定式做賓語，如：tell,discuss,know,show,learn,decide,wonder,explain…不定式不定式的作用1[例1]NMET2000第19題解析[例2]NMET1999第21題Thepurposeofnewtechnologiesistomakelifeeasier,____itmoredifficult.A.notmakeB.nottomakeC.notmakingD.donotmake.B不定式不定式的作用1因?yàn)橹髡Z是thepurpose，在（purpose,wish,promise,plan）后常跟不定式，古表語要用不定式，to不能省略，因此構(gòu)成thepurposeisto…notto…do句型，故選B。解析[例2]NMET1999第21題Thepurp不定式的時(shí)態(tài)2[例3]NMET1997第12題Iwouldlove_____tothepartylastnightbutIhadtoworkextrahourstofinishareport.A.togoB.havinggoneC.goingD.tohavegoneD不定式常和不定式完成式連用的動(dòng)詞還有：Wouldlove,meant,hoped,planned,expected,promised,wish等例如：Imeanttohavetelephonedyou,butIforgot.解析[例4]NMET1999第14題Robertissaid____abroad,butIdon’tknowwhatcountryhestudiedin.tohavestudiedB.tostudyC.tobestudyD.tohavebeenstudying

A不定式的時(shí)態(tài)2[例3]NMET1997第12題Iwo解析該題考查動(dòng)詞不定式做賓語的用法。Wouldlove(like)to是固定搭配，因此B、C、不合題意。Wouldlove+不定式一般式，表示“想，希望”，而接不定式完成式則表示“原本希望，而未曾實(shí)現(xiàn)”的意思。解析該題考查動(dòng)詞不定式做賓語的用法。Wouldlove(不定式不定式的否定形式3[例5]NMET1996年Thepatientwaswarned____oilyfoodaftertheoperation.A.ToeatnotB.eatingnotC.nottoeatD.noteatC解析

該題考查不定式的否定式作主補(bǔ)。要注意warn后跟詞方式，①

warnsb.nottodosth.②warnsb.againstdoingsth.該題應(yīng)該用①結(jié)構(gòu)。兩外，not應(yīng)放在to之前。

在大多數(shù)的動(dòng)詞可接不定式短語做賓補(bǔ)，只有少數(shù)動(dòng)詞（五個(gè)看see,watch,notice,observe,lookat；三使役make,let,have;二聽listento,hear等）須接不帶to的不定式做賓補(bǔ)。不定式不定式的否定形式3[例5]NMET1996年過去分詞

過去分詞主要考查其在句中作狀語、定語、表語和補(bǔ)語的用法。1.作狀語[例1]NMET1996第23題_____inthought,healmostranintothecarinfrontofhim.A.LosingB.HavinglostC.LostD.ToloseC解析1.該題考查過去分詞作狀語的用法。動(dòng)詞-ing或過去分詞作狀語，其邏輯主語應(yīng)是主語。2.“陷入深思”有兩種表達(dá)法，A.LoseoneselfinthoughtB.belostinthought,按句子提供的語境可用結(jié)構(gòu)B.過去分詞過去分詞主要考查其在句中作狀語、定語、表語和補(bǔ)語的過去分詞2.作定語[例2]NMET1997第17題TheOlympicGames,___in776B.C.didnotincludewomenplayersuntil1912.A.FirstplayedB.tobefirstplayedC.firstplayingD.tobefirstplayingA解析①過去分詞做定語與其修飾詞之間是動(dòng)賓關(guān)系且過去分詞表示的動(dòng)作以完成。②現(xiàn)在分詞作定語表示動(dòng)作正在發(fā)生，與修飾詞是主謂關(guān)系。③不定式作定語表示將要發(fā)生的動(dòng)作。所以A是正確的。Firstplayedin776B.C.=whichwasfirstplayedin776B.C.過去分詞2.作定語[例2]NMET1997第17題The過去分詞3.作表語[例3]NMET1998第23題Cleaningwomeninbigcitiesusuallyget____bythehour.A.payB.payingC.paidD.topayC解析該題考查分詞作表語的用法?！皌opaysb.bythehour”

計(jì)時(shí)給某人報(bào)酬。此題被動(dòng)結(jié)構(gòu)作表語。類似的有：getburnt,gethurt,getwounded.過去分詞3.作表語[例3]NMET1998第23題Cle過去分詞4.作補(bǔ)語解析該題考查過去分詞作賓語補(bǔ)足語的用法。Theplan與carryout的關(guān)系是被動(dòng)關(guān)系。Seesth.done這結(jié)構(gòu)常見的還有watch(notice,observe,have和make)sth.done.[例4]NMET2000第22題Themanagersdiscussedtheplanthattheywouldliketosee___thenextyear.A.carryputB.carryingoutC.carriedoutD.tocarryoutC過去分詞4.作補(bǔ)語解析該題考查過去分詞作賓語補(bǔ)足語的用法。T-ing形式-ing形式主要考查其在句子中作定語和狀語的用法[例]NMET1998

Europeanfootballisplayedin80countries,___itthemostpopularsportintheworld.A.makingB.makesC.madeD.tomakeA解析-ing形式-ing形式主要考查其在句子中作定語和狀語的解析Makingitthepopularsportintheworld為現(xiàn)在分詞短語作結(jié)果狀語，這類分詞短語常放在句子的后面。如：Hisparentsdied,leavinghimanorphan.解析Makingitthepopularsport歷年高考題1.Thespeakerraisedhisvoicebutstillcouldn’tmakehimself____.(NMET9134)A.hearB.tohearC.hearingD.heard2.Onafternoon,MrsGreenwenttothemarket,____somebananasandvisitedhercousin.(NMET9123)A.boughtB.buyingC.tobuyD.writing3.--Iusuallygotherebytrain.--Whynot____byboatforachange?(NMET9214)A.totrygoingB.tryingtogoC.totryandgoD.trygoing4.____areply,hedecidedtowriteagain.(MET9239)A.NotreceivingB.ReceivingnotC.NothavingreceivedD.Havingnotreceived歷年高考題1.Thespeakerraisedhis5.Howaboutthetwoofus____awalkdownthegarden?(MET9317)A.totakeB.takeC.takingD.tobetaking6.____downtheradio----thebaby’sasleepinthenextroom.(MET9324)A.TurningB.ToturnC.TurnedD.Turn7.CharlesBabbageisgenerallyconsidered____thefirstcomputer.(MET9334)A.toinventB.inventingC.tohaveinventedD.havinginvented

8.---Imustapologizefor____aheadoftime.---That’sallright.(MET9421)A.lettingyounotknowB.notlettingyouknowC.lettingyouknownotD.lettingnotyouknow9.Ratherthan___onacrowdedbus,healwaysprefers____abicycle.(NMET9422)A.ride;rideB.riding;rideC.ride;torideD.toride;riding5.Howaboutthetwoofus___10.Themissingboyswerelastseen____neartheriver.(NMET9425)A.playingB.tobeplayingC.playD.toplay11.Thefirsttextbooks____forteachingEnglishasaforeignlanguagecameoutinthe16thcentury.(NMET9434)A.havingwrittenB.tobewrittenC.beingwrittenD.written12.---Youwerebraveenoughtoraisedobjectionsatthemeeting.---Well,nowIregret____that.(NMET9526)A.todob.tobedoingC.tohavedoneD.havingdone13.Theboywantedtoridehisbicycleinthestreet,buthismothertoldhim_____.(NMET9535)A.nottoB.nottodoC.notdoitD.donotto14.---WhatdoyouthinkmadeMarysoupset?---____hernewbicycle.(97上海13)A.AsshelostB.LostC.LosingD.Becauseoflosing10.Themissingboyswerel15.Shecan’thelp____thehousebecauseshe’sbusymakingacake.

(97上海12)

A.tocleanB.cleaningC.cleanedD.beingcleaned16.Shelooksforwardeveryspringto_____theflower-linedgarden.

(95上海20)

A.visitB.payingavisitC.walkinD.walkingin17.Whileshopping,peoplesometimecan’thelp____intobuyingsomethingtheydon’treallyneed.(96上海14)A.topursueB.persuadingC.beingpersuadedD.bepersuaded

18.Thepurposeofnewtechnologiesistomakelifeeasier,____itmoredifficult.(NMET9921)A.notmakeB.nottomakeC.notmakingD.donotmake19.Acomputerdoesonlywhatthinkingpeople_____.(99上海19)A.haveitdoB.haveitdoneC.havedoneitD.havingitdone20.WhenIgotbackhomeIsawamessagepinnedtothedoor____“Sorrytomissyou;willcalllater.”(NMET9925)A.readB.readsC.toreadD.reading15.Shecan’thelp____th5.Mrs.Smithwarnedherhusband_____afterdrinkingagainandagain.A.nevertodriveB.toneverdriveC.neverdrivingD.neverdrive6.Tomasteraforeignlanguage,______.A.alotofpracticeisneededB.itneedsalotofpracticeC.practiceisinneedof D.oneneedsalotofpractice20.Thelibraryneeds______,butit’llhavetowaituntilSunday.A.cleaningB.becleanedC.cleanD.beingcleaned4.Ourfatheroftentoldusinthepastthat_____isbelieving.A.toseeB.seeingC.seeD.tobeseen1.Hegaveussomeadviceonhow____English.A.learningB.learnedC.tolearnD.learn2.It’sapayday，andtheyarewaiting____.A.payB.payingC.paidD.tobepaid3.---Alettermaybetooslow.----Whynot____atelegram.A.trysendingB.trytosendC.totrysendingD.tryingtosend鞏固練習(xí)CDABAD5.Mrs.Smithwarnedherhusband1._____isagoodofexerciseforboththeyoungandtheold.A.ThewalkB.WalkingC.TowalkD.Walk2.Whenandwheretobuildthenewpowerstation______yet.A.isnotdecidedB.arenotdecidedC.hasnotdecidedD.havenotdecided3.Is______necessarytochangetrainsatBeijing?A.this B.that C.it D.he4.Ourfatheroftentoldusinthepastthat_____isbelieving.A.toseeB.seeingC.seeD.tobeseen5.Shepretended____theletterIwrotethedaybeforeyesterday.A.nottoreceiveB.notreceivingC.nottohearfromD.havingnotreceived6.Ican’timagine_____thatwithsuchafamousauthor.A.workB.toworkC.tobeworkingD.workingNon-infinitive1._____isagoodofexercisef7.Shereachedthetopofthehillandstopped_____onabigrockbythesideofthepath.A.tohaverestedB.restingC.torestD.rest8.Doyouconsider___anygoodattemptingmanyscientificexperiments?A.thereB.itC.thisD.that9.I’mthirsty.Wouldyoupleasegivemesomething________.A.drunkB.todrinkC.tobedrunkD.fordrinking10.Therewasaterriblenoise_______thesuddenburstoflight.A.followedB.followingC.tobefollowedD.beingfollowed11．Mrs.Smithwarnedherhusband_____afterdrinkingagainandagain.A.nevertodriveB.toneverdriveC.neverdrivingD.neverrive12.Theyknewherverywell.Theyhadseenher____upfromchildhood.A.growB.grewC.wasgrowingD.togrow13.Believeitornot,hewasseen______upstairsjustnow.A.togoB.togoingC.havinggoneD.go7.Shereachedthetopoftheh14.Itwassocoldthattheykeptthefire________allnight.A.toburnB.burnC.burningD.burned15.Themurdererwasbroughtin,withhishands_____behindhisback.A.beingtiedB.havingtiedC.tobetiedD.tied16.Tomasteraforeignlanguage,______.A.alotofpracticeisneeded B.itneedsalotofpracticeC.practiceisinneedof D.oneneedsalotofpractice17._________areply,hedecidedtowriteasixthletter.A.NotreceivingB.NottoreceiveC.NothavingreceivedD.Havingnotreceived18.LittleJimshouldlove_____tothetheatrethisevening.A.tobetakenB.totakeC.beingtakenD.taking19.—Whatdoyouthinkofthebook?—Oh,excellent.It’sworth______asecondtime.A.toreadB.tobereadC.readingD.beingread20.Thelibraryneeds______,butit’llhavetowaituntilSunday.A.cleaningB.becleanedC.cleanD.beingcleaned14.ItwassocoldthattheykThankyouThankyouwellcomewellcome非謂語動(dòng)詞（復(fù)習(xí)）non-infinitive非謂語動(dòng)詞（復(fù)習(xí)）____lateinthemorning,Bobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.Havingslept

2001春季高考第21題2001年春季高考第24題Onelearnsalanguagebymakingmistakesand___them.A.correctB.correctingC.correctsD.tocorrect1（22題）____lateinthemorning,Bob類型年份題量不定式-ing過去分詞199621（18題）1（23題）199721（12題）199821（25題）199932（14、21題）1（25題）200021（19題）1（22題）近五年非謂語動(dòng)詞在高考中的復(fù)現(xiàn)率類型題量不定式-ing過去分詞19962過去分詞不定式-ing形式非謂語動(dòng)詞過去分詞不定式-ing形式非謂語動(dòng)詞不定式的作用不定式的時(shí)態(tài)不定式的否定形式不定式近五年不定式考查了5道題，主要考查了不定式做賓語和表語。此外還考了不定式的時(shí)態(tài)和否定形式。不定式的作用不定式的時(shí)態(tài)不定式的否定形式不定式近五年不定式考1.作狀語2.作定語3.作表語4.作補(bǔ)語過去分詞1.作狀語2.作定語3.作表語4.作補(bǔ)語過去分詞不定式不定式的作用1[例1]NMET2000第19題I’veworkwithchildrenbefore,soIknowwhat___inmyjob.A.expectedB.toexpectC.tobeexpectingD.expectsB解析該題考查疑問+不定式在句中做賓語的用法。英語中有一些動(dòng)詞后可以跟一個(gè)疑問詞的不定式做賓語，如：tell,discuss,know,show,learn,decide,wonder,explain…不定式不定式的作用1[例1]NMET2000第19題解析[例2]NMET1999第21題Thepurposeofnewtechnologiesistomakelifeeasier,____itmoredifficult.A.notmakeB.nottomakeC.notmakingD.donotmake.B不定式不定式的作用1因?yàn)橹髡Z是thepurpose，在（purpose,wish,promise,plan）后常跟不定式，古表語要用不定式，to不能省略，因此構(gòu)成thepurposeisto…notto…do句型，故選B。解析[例2]NMET1999第21題Thepurp不定式的時(shí)態(tài)2[例3]NMET1997第12題Iwouldlove_____tothepartylastnightbutIhadtoworkextrahourstofinishareport.A.togoB.havinggoneC.goingD.tohavegoneD不定式常和不定式完成式連用的動(dòng)詞還有：Wouldlove,meant,hoped,planned,expected,promised,wish等例如：Imeanttohavetelephonedyou,butIforgot.解析[例4]NMET1999第14題Robertissaid____abroad,butIdon’tknowwhatcountryhestudiedin.tohavestudiedB.tostudyC.tobestudyD.tohavebeenstudying

A不定式的時(shí)態(tài)2[例3]NMET1997第12題Iwo解析該題考查動(dòng)詞不定式做賓語的用法。Wouldlove(like)to是固定搭配，因此B、C、不合題意。Wouldlove+不定式一般式，表示“想，希望”，而接不定式完成式則表示“原本希望，而未曾實(shí)現(xiàn)”的意思。解析該題考查動(dòng)詞不定式做賓語的用法。Wouldlove(不定式不定式的否定形式3[例5]NMET1996年Thepatientwaswarned____oilyfoodaftertheoperation.A.ToeatnotB.eatingnotC.nottoeatD.noteatC解析

該題考查不定式的否定式作主補(bǔ)。要注意warn后跟詞方式，①

warnsb.nottodosth.②warnsb.againstdoingsth.該題應(yīng)該用①結(jié)構(gòu)。兩外，not應(yīng)放在to之前。

在大多數(shù)的動(dòng)詞可接不定式短語做賓補(bǔ)，只有少數(shù)動(dòng)詞（五個(gè)看see,watch,notice,observe,lookat；三使役make,let,have;二聽listento,hear等）須接不帶to的不定式做賓補(bǔ)。不定式不定式的否定形式3[例5]NMET1996年過去分詞

過去分詞主要考查其在句中作狀語、定語、表語和補(bǔ)語的用法。1.作狀語[例1]NMET1996第23題_____inthought,healmostranintothecarinfrontofhim.A.LosingB.HavinglostC.LostD.ToloseC解析1.該題考查過去分詞作狀語的用法。動(dòng)詞-ing或過去分詞作狀語，其邏輯主語應(yīng)是主語。2.“陷入深思”有兩種表達(dá)法，A.LoseoneselfinthoughtB.belostinthought,按句子提供的語境可用結(jié)構(gòu)B.過去分詞過去分詞主要考查其在句中作狀語、定語、表語和補(bǔ)語的過去分詞2.作定語[例2]NMET1997第17題TheOlympicGames,___in776B.C.didnotincludewomenplayersuntil1912.A.FirstplayedB.tobefirstplayedC.firstplayingD.tobefirstplayingA解析①過去分詞做定語與其修飾詞之間是動(dòng)賓關(guān)系且過去分詞表示的動(dòng)作以完成。②現(xiàn)在分詞作定語表示動(dòng)作正在發(fā)生，與修飾詞是主謂關(guān)系。③不定式作定語表示將要發(fā)生的動(dòng)作。所以A是正確的。Firstplayedin776B.C.=whichwasfirstplayedin776B.C.過去分詞2.作定語[例2]NMET1997第17題The過去分詞3.作表語[例3]NMET1998第23題Cleaningwomeninbigcitiesusuallyget____bythehour.A.payB.payingC.paidD.topayC解析該題考查分詞作表語的用法?！皌opaysb.bythehour”

計(jì)時(shí)給某人報(bào)酬。此題被動(dòng)結(jié)構(gòu)作表語。類似的有：getburnt,gethurt,getwounded.過去分詞3.作表語[例3]NMET1998第23題Cle過去分詞4.作補(bǔ)語解析該題考查過去分詞作賓語補(bǔ)足語的用法。Theplan與carryout的關(guān)系是被動(dòng)關(guān)系。Seesth.done這結(jié)構(gòu)常見的還有watch(notice,observe,have和make)sth.done.[例4]NMET2000第22題Themanagersdiscussedtheplanthattheywouldliketosee___thenextyear.A.carryputB.carryingoutC.carriedoutD.tocarryoutC過去分詞4.作補(bǔ)語解析該題考查過去分詞作賓語補(bǔ)足語的用法。T-ing形式-ing形式主要考查其在句子中作定語和狀語的用法[例]NMET1998

Europeanfootballisplayedin80countries,___itthemostpopularsportintheworld.A.makingB.makesC.madeD.tomakeA解析-ing形式-ing形式主要考查其在句子中作定語和狀語的解析Makingitthepopularsportintheworld為現(xiàn)在分詞短語作結(jié)果狀語，這類分詞短語常放在句子的后面。如：Hisparentsdied,leavinghimanorphan.解析Makingitthepopularsport歷年高考題1.Thespeakerraisedhisvoicebutstillcouldn’tmakehimself____.(NMET9134)A.hearB.tohearC.hearingD.heard2.Onafternoon,MrsGreenwenttothemarket,____somebananasandvisitedhercousin.(NMET9123)A.boughtB.buyingC.tobuyD.writing3.--Iusuallygotherebytrain.--Whynot____byboatforachange?(NMET9214)A.totrygoingB.tryingtogoC.totryandgoD.trygoing4.____areply,hedecidedtowriteagain.(MET9239)A.NotreceivingB.ReceivingnotC.NothavingreceivedD.Havingnotreceived歷年高考題1.Thespeakerraisedhis5.Howaboutthetwoofus____awalkdownthegarden?(MET9317)A.totakeB.takeC.takingD.tobetaking6.____downtheradio----thebaby’sasleepinthenextroom.(MET9324)A.TurningB.ToturnC.TurnedD.Turn7.CharlesBabbageisgenerallyconsidered____thefirstcomputer.(MET9334)A.toinventB.inventingC.tohaveinventedD.havinginvented

8.---Imustapologizefor____aheadoftime.---That’sallright.(MET9421)A.lettingyounotknowB.notlettingyouknowC.lettingyouknownotD.lettingnotyouknow9.Ratherthan___onacrowdedbus,healwaysprefers____abicycle.(NMET9422)A.ride;rideB.riding;rideC.ride;torideD.toride;riding5.Howaboutthetwoofus___10.Themissingboyswerelastseen____neartheriver.(NMET9425)A.playingB.tobeplayingC.playD.toplay11.Thefirsttextbooks____forteachingEnglishasaforeignlanguagecameoutinthe16thcentury.(NMET9434)A.havingwrittenB.tobewrittenC.beingwrittenD.written12.---Youwerebraveenoughtoraisedobjectionsatthemeeting.---Well,nowIregret____that.(NMET9526)A.todob.tobedoingC.tohavedoneD.havingdone13.Theboywantedtoridehisbicycleinthestreet,buthismothertoldhim_____.(NMET9535)A.nottoB.nottodoC.notdoitD.donotto14.---WhatdoyouthinkmadeMarysoupset?---____hernewbicycle.(97上海13)A.AsshelostB.LostC.LosingD.Becauseoflosing10.Themissingboyswerel15.Shecan’thelp____thehousebecauseshe’sbusymakingacake.

(97上海12)

A.tocleanB.cleaningC.cleanedD.beingcleaned16.Shelooksforwardeveryspringto_____theflower-linedgarden.

(95上海20)

A.visitB.payingavisitC.walkinD.walkingin17.Whileshopping,peoplesometimecan’thelp____intobuyingsomethingtheydon’treallyneed.(96上海14)A.topursueB.persuadingC.beingpersuadedD.bepersuaded

18.Thepurposeofnewtechnologiesistomakelifeeasier,____itmoredifficult.(NMET9921)A.notmakeB.nottomakeC.notmakingD.donotmake19.Acomputerdoesonlywhatthinkingpeople_____.(99上海19)A.haveitdoB.haveitdoneC.havedoneitD.havingitdone20.WhenIgotbackhomeIsawamessagepinnedtothedoor____“Sorrytomissyou;willcalllater.”(NMET9925)A.readB.readsC.toreadD.reading15.Shecan’thelp____th5.Mrs.Smithwarnedherhusband_____afterdrinkingagainandagain.A.nevertodriveB.toneverdriveC.neverdrivingD.neverdrive6.Tomasteraforeignlanguage,______.A.alotofpracticeisneededB.itneedsalotofpracticeC.practiceisinneedof D.oneneedsalotofpractice20.Thelibraryneeds______,butit’llhavetowaituntilSunday.A.cleaningB.becleanedC.cleanD.beingcleaned4.Ourfatheroftentoldusinthepastthat_____isbelieving.A.toseeB.seeingC.seeD.tobeseen1.Hegaveussomeadviceonhow____English.A.learningB.learnedC.tolearnD.learn2.It’sapayday，andtheyarewaiting____.A.payB.payingC.paidD.tobepaid3.---Alettermaybetooslow.----Whynot____atelegram.A.trysendingB.trytosendC.totrysendingD.tryingtosend鞏固練習(xí)CDABAD5.Mrs.Smithwarnedherhusband1._____isagoodofexerciseforboththeyoungandtheold.A.ThewalkB.WalkingC.TowalkD.Walk2.Whenandwheretobuildthenewpowerstation______yet.A.isnotdecidedB.arenotdecidedC.hasnotdecidedD.havenotdecided3.Is______necessarytochangetrainsatBeijing?A.this B.that