英語時態(tài)練習題,附答案和講解

1、1.SalesofCDshavegreatlyincreasedsincetheearly1990swhenpeople________toenjoytheadvantagesofthisnewtechnology.A.beginB.beganC.havebegunD.hadbegun2.Turnonthetelevisionopenamagazineyou________advertisementsshowinghappyfamili

2、es.A.willoftenseeB.oftenseeC.areoftenseeingD.haveoftenseen3.—IhearJanehasgonetotheHolyIslfherholiday.—Ohhownice!Doyouknowwhenshe________A.wasleavingB.hadleftC.hasleftD.left4.—WhatwereyoudoingwhenTonyphonedyou—Ihadjustfin

3、ishedmywk________totakeashower.A.hadstartedB.startedC.havestartedD.wasstarting5.I________younottomovemydictionary—nowIcan’tfindit.A.askedB.askC.wasaskingD.hadasked6.—HasSamfinishedhishomewktoday—Ihavenoidea.He________itt

4、hismning.A.didB.hasdoneC.wasdoingD.haddone7.—What’sthatterriblenoise—Theneighbs________faparty.A.havepreparedB.arepreparingA.waswaitingB.hadwaitedC.amwaitingD.haswaited16.Shehassetanewrecdthatisthesalesofherlatestbook___

5、_____50million.A.havereachedB.hasreachedC.arereachingD.hadreached17.Hekeptlookingatherwonderingwhetherhe________hersomewhere.A.sawB.hasseenC.seesD.hadseen18.Thecrazyfans________patientlyftwohourstheywouldwaittillthemovie

6、stararrived。A.werewaitingB.hadbeenwaitingC.hadwaitedD.wouldwait19.She________herhairstyleinherhometownbefeshecametoChongqingfabetterjob.A.wouldchangeB.haschangedC.changedD.waschanging20.Thefirstuseofatomicweaponswasin194

7、5theirpower________increasedenmouslyeversince.A.isB.w.hasbeenD.hadbeen21.—Youhaven’tsaidawdaboutmynewcoatBrenda.Doyoulikeit—I’msryI________anythingaboutitsooner.Icertainlythinkit’sprettyonyou.A.wasn’tsayingB.don’tsayC.wo