11.The careless man received a ticket for speeding. He ________ have driven so fast.
12.If I ________ harder at school, I would be sitting in a comfortable office now.
A.workedB.were to workC.had workedD.were working
13.The shop assistant was fired because she was ________ of cheating customers.
14.While crossing the mountain area, all the men carried guns lest they ________ by wild animals.
A.should be attackedB.had been attackedC.must be attackedD.would be attacked
15.His wife is constantly funding ________ with him, which makes him very angry.
16.They always give their seats to ________ comes first.
17.Professor Wang, ________ for his informative lectures, was warmly received by his students.
A.knowingB.knownC.to be knownD.having known
18.Our manager is ________ an important customer now and he will be back this afternoon.
A.calling onB.calling inC.calling upD.calling for
19. He said that the driver must have had an accident; otherwise he ________ by then.
A.would have arrived B.must have arrived C. should arrive D. would arrive
20.It is high time that such practices ________.
A.are endedB.be endedC.were endedD.must be ended
11—15 C AACC 16——20 BAACC
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