专四单选练习

《专四单选练习》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、Exercises1.People__________spaceformanyyearsbystudyinglightthroughtheirtelescope.a.exploredb.areexploringc.havebeenexploringd.willexplore2.I__________myletterbythetimeyoucomeback.a.havefinishedb.shallfinishc.shallhavefinishedd.shallbefinishing3.EngelssaidthatwhatDar

2、win___________forbiologywasasgreataswhatMarx__________forhistory.a.haddone…haddoneb.hasdone…hasdonec.did…didd.does…does4.Therestoftheevening__________singinganddancing.a.hasgivenuptob.willgiveuptoc.willbegivenuptod.aregivenuptp5.___________,herheartwasbeatingfastera

3、ndfaster.a.Listeningtothecomingfootstepsb.Asshelistenedtothecomingfootstepsc.Whenlisteningtothecomingfootstepsd.Tothecomingfootstepsasshelistened6.Theyaresaid__________asimplemethodforproducingplastics.a.tohavefoundb.findingc.willfindd.tobefinding1.Hewastoldthatafte

4、rhegraduatedhe__________byacompany.a.wouldbeemployedb.wouldgetemployedc.wouldbeemployingd.wouldemploy2.Sincecomputerswereinvented,it___________thattheyareindispensableforscientificresearch.a.wasthoughtb.hasbeenthoughtc.hadbeenthoughtd.hasthought3.Ifyou___________TVe

5、verynight,ofcourseyoureyeswillache.a.sitandwatchb.willsitandwatchc.aretositandwatchd.satandwatched4.I__________mybreakfastwhenthemorningpostcame.a.hadb.hadbeenhavingc.washavingd.havebeenhaving5.If________tospeak,hehasnoproblemexpressinghimself.a.askingb.askedc.askd.

6、tobeasked6.Whatdoyouthinkweshalldoifit__________onthedayfixedforthesportsmeet?a.willrainb.rainc.rainsd.israining7.Itwasnotuntilshehadarrivedhome___________rememberedherappointmentwiththedoctor.a.whensheb.thatshec.andshed.thanshe1._________atthemoment,I’llgototheshop

7、.a.Foritdoesn’trainb.Foritisn’trainingc.Asitdoesn’traind.Asitisn’training2.Wehadlivedinthishouseforthreeyears___________myfatherdecidedtohaveusmovetoanewneighborhood.a.whileb.sincec.befored.after3.Whenwesaidgoodbye,Ithoughtitwasforever.Butwe__________again,manyyears

8、later,underverystrangecircumstances.a.wereabouttomeetb.weretomeetc.weremeetingd.hadmet4.WhenshephonedIdidn’thavemuchtimetotalk,becauseI___