题目内容

There is no parking in front of the post office. You ____ park there .

A. oughtn't
B. can't
C. didn't
D. wouldn't

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Professor Li, many students want to see you. ______they wait here or outside?

A. Do
B. Shall
C. Did
D. Will

We ______ them because of the noise from the river then .

A. could not have heard
B. must not hear
C. need not have heard
D. may not hear

The teacher told Jeremy, "You _____ an 'A' on your term paper, but you used toomany old expressions .

A. would have received
B. must have received
C. could receive
D. cannot have received

We had plenty of bread, so I _____a loaf.

A. mustn't have bought
B. didn't have to buy
C. needn't have bought
D. didn't need to buy

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