题目内容

"Must I answer all the questions?"" No. you ______ answer them all: it will be sufficient if you do four of them ."

A. mustn't
B. shouldn't
C. don't
D. needn't

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Mary got up early, but she ______ so, because she had no work to do that morning.

A. can not have done
B. must not have done
C. shouldn't have done
D. needn't have done

She_____ catch the bus every morning, but now she rides with her fiance.

A. used to
B. is used to
C. had rather
D. was used to

You ______ the look on his face when he won the prize .

A. should have seen
B. would have seen
C. must see
D. can be seeing

"When should l get my ticket?""You______ your ticket last month ."

A. should get
B. had got
C. should have gotten
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