题目内容

_____ climb that tall tree?

A. Dare you
B. Doesn’t dare you
C. Will you dare
Dare you to

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Hurry up, or you ________ catch the train.

A. can’t
B. needn’t
C. mustn’t
D. shouldn’t

________ you wait a few more minutes? It'll be your turn soon.

A. Must
B. Should
Could
D. Might

He ________ be tired, because he began to work just ten minutes ago.

A. needn’t
B. mustn’t
C. may not
D. can’t

Mike ______ be in Beijing because I saw him in the classroom only a few minutes ago.

A. mustn’t
B. can’t
C. may not
D. might not

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