A. has been missing B. has been missed C. had been missing D. was missed
A. had been pointing B. have been pointing C. were pointing D. pointed
A. you are convenient B. you will be convenient
C. it is convenient to you D. it will be convenient to you
A. have … interrupted B. had … interrupted
C. are … interrupting D. were … interrupting
A. may have acted B. must have acted C. should act D. would act
A. couldn’t have caught B. ought to have caught
C. shouldn’t have caught D. must not have caught
A. needn’t have told B. needn’t tell C. mustn’t have told D. mustn’t tell
A. would be B. will have been C. was D. were
A. hand in B. would hand in C. have to hand in D. handed in
A. shall need B. should need C. would need D. will need
A. Was he rich or poor B. Whether rich or poor
C. were he rich or poor D. Be he rich or poor
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