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练习一1.SalesofCDshavegreatlyincreasedsincetheearly1990s,whenpeople________toenjoytheadvantagesofthisnewtechnology.A.beginB.beganC.havebegunD.hadbegun2.Turnonthetelevisionoropenamagazineandyou________advertisementsshowinghappyfamilies.A.willoftenseeB.oftenseeC.areoftenseeingD.haveoftenseen3.—IhearJanehasgonetotheHolyIslandforherholiday.—Oh,hownice!Doyouknowwhenshe________?A.wasleavingB.hadleftC.hasleftD.left4.—WhatwereyoudoingwhenTonyphonedyou?—Ihadjustfinishedmyworkand________totakeashower.A.hadstartedB.startedC.havestartedD.wasstarting5.I________younottomovemydictionary—nowIcan’tfindit.A.askedB.askC.wasaskingD.hadasked6.—HasSamfinishedhishomeworktoday?—Ihavenoidea.He________itthismorning.A.didB.hasdoneC.wasdoingD.haddone7.—What’sthatterriblenoise?—Theneighbors________foraparty.A.havepreparedB.arepreparingC.prepareD.willprepare8.Nowthatsheisoutofajob,Lucy________goingbacktoschool,butshehasn’tdecidedyet.A.hadconsideredB.hasbeenconsideringC.consideredD.isgoingtoconsider9.Theteacher,with6girlsand8boysofherclass,________visitingamuseumwhentheearthquakestruck.A.wasB.wereC.hadbeenD.wouldbe10.Thediscussion________alivewhenaninterestingtopicwasbroughtin.A.wascomingB.hadcomeC.hascomeD.came11.Becausetheshop________,alltheT-shirtsaresoldathalfprice.A.hascloseddownB.closeddownC.isclosingdownD.hadcloseddown12.Let’skeeptothepointorwe________anydecisions.A.willneverreachB.haveneverreachedC.neverreachD.neverreached13.Mymindwasn’tonwhathewassayingsoI’mafraidI________halfofit.A.wasmissingB.hadmissedC.willmissD.missed14.ItissaidinthebookthatThomasEdison(1847—1931)________theworld-leadinginventorforsixtyyears.A.wouldbeB.hasbeenC.hadbeenD.was15.—YouwereoutwhenIdroppedinatyourhouse.—Oh,I________forafriendfromEnglandattheairport.A.waswaitingB.hadwaitedC.amwaitingD.haswaited练习二1.Shehassetanewrecord,thatis,thesalesofherlatestbook________50million.A.havereachedB.hasreachedC.arereachingD.hadreached2.Hekeptlookingather,wonderingwhetherhe________hersomewhere.A.sawB.hasseenC.seesD.hadseen3.Thecrazyfans________patientlyfortwohoursandtheywouldwaittillthemoviestararrived.A.werewaitingB.hadbeenwaitingC.hadwaitedD.wouldwait4.She________herhairstyleinherhometownbeforeshecametoChongqingforabetterjob.A.wouldchangeB.haschangedC.changedD.waschanging5.Thefirstuseofatomicweaponswasin1945,andtheirpower________increasedenormouslyeversince.A.isB.wasC.hasbeenD.hadbeen6.—Youhaven’tsaidawordaboutmynewcoat,Brenda.Doyoulikeit?—I’msorryI________anythingaboutitsooner.Icertainlythinkit’sprettyonyou.A.wasn’tsayingB.don’tsayC.won’tsayD.didn’tsay7.Allmorningasshewaitedforthemedicalreportfromthedoctor,hernervousness________.A.hasgrownB.isgrowingC.grewD.hadgrown8.Whydon’tyouputthemeatinthefridge?Itwill________freshforseveraldays.A.bestayedB.stayC.bestayingD.havestayed9.Howcanyoupossiblymissthenews?It________onTValldaylong.A.hasbeenB.hadbeenC.wasD.willbe10.－Sorrytohaveinterruptedyou.Pleasegoon.－WherewasI?－You________youdidn’tlikeyourfather’sjob.A.hadsaidB.saidC.weresayingD.hadbeensaying11.Iarrivedlate;I________theroadtobesoicy.A.wouldn’texpectB.haven’texpectedC.hadn’texpectedD.wasn’texpecting12.I________whilereadingtheEnglishtextbook.Luckily,myroommatewokemeupintime!A.hadfallenasleepB.havefallenasleepC.fellasleepD.fallasleep13.Althoughhehaslivedwithusforyears,he_______usmuchimpression.A.hadn’tleftB.didn’tleaveC.doesn’tleaveD.hasn’tleft14.I________ping-pongquitewell,butIhaven’thadtimetoplaysincethenewyear.A.willplayB.haveplayedC.playedD.play15.IwonderwhyJenny________usrecently.Weshouldhaveheardfromherbynow.A.hasn’twrittenB.doesn’twriteC.won’twriteD.hadn’twritten练习三1.Ashorttimebeforeshe________,theoldlady________awill,leavingallhermoneytoherbrother.A.died;haswrittenB.hasdied;wroteC.haddied;wroteD.died;hadwritten2.—Katedoesn’tlookverywell.What’swrongwithher?—Shehasaheadachebecauseshe________toolong;sheoughttostopwork.A.hasbeenreadingB.hadreadC.isreadingD.wasreading3.Astime________on,SallybegantowonderifBruce________Bilks’newpoemcalledTabled’Hute.A.hasgone;hadreadB.went;hasreadC.goes;hasreadD.went;hadread4.—Mike,doyouknowwhowantedmeonthephone?—Sorry.Idon’tknow.I________abathinthebathroom.A.havehadB.washavingC.hadD.amhaving5.—Couldyoutellmehowyourfatherusuallygoestowork?—Yes.Ifitisfine,he________tohisoffice.A.willwalkB.willgoonfootC.walksD.wouldgoonfoot6.—Icalledyouatten,buttherewasnoreply.—Oh,thatwasprobablywhenI________ashower.A.amtakingB.tookC.weretotakeD.wastaking7.—Haveyoueverworkedwithataperecorder?—I________italotwhenIwasstudyingFrenchinschool.A.usedB.wasusedC.haveusedD.hadused8.—Youmusthavemethimtheotherday.—Oh,no,I________.A.hadn’tB.mustn’tC.haven’tD.didn’t9.—Whichflight________?—Iwanttocatchthe13:00.A.youaretocatchB.areyoucatchingC.doyoucatchD.haveyoucaught10.—Excuseme,sir.Wouldyoudomeafavor?—Ofcourse.Whatisit?—I________ifyoucouldtellmehowtofilloutthisform.A.hadwonderedB.waswonderingC.wouldwonderD.didwonder11.HowcanIeverconcentrate(集中精力)ifyou________continually________mewithsillyquestions?A.have…interruptedB.hadinterruptedC.areinterruptingD.wereinterrupting12.—I