专四专八习题练习

专四专八考试专四考试易错题(2018/5/30)
1题:IamsureMaryhasbeenhereand.()
B.hasdonewhatrequiredher
C.hasdonewhatwas,requiredofher
D.didwhathasbeenrequiredofher
【单选题】:      

2题:Weleftthemeeting,thereobviouslynopointinstaying.()
A.were
B.being
C.tobe
D.having
【单选题】:      

3题:Themoreacidyouaddtothesolution,itbecomes.()
A.cloudier
B.thecloudiest
C.morecloudy
D.thecloudier
【单选题】:      

4题:Theshophassoldmanyrefrigeratorsofthiskindandtherestonsaletoday.()
A.is
B.has
C.have
D.are
【单选题】:      

5题:Themillionsofcalculationsinvolved,byhand,wouldhavelostallpracticalvaluebythetimetheywerefinished.()
A.hadtheybeendone
B.theyhadbeendone
C.havingbeendone
D.theyweredone
【单选题】:      

 

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