摘要： A. needn’t B. must C. can’t D. may not
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从A、B、C、D四个选项中选出最佳选项：
— Look! The man over there must be Mr Black．
— No，it________ be him．He has gone to Australia and hasn’t come back yet．
[ ]
A．may not
B．can’t
C．mustn’t
D．needn’t
— Must I finish my homework right now?
— No, you ____.
A. needn’t B. may not C. mustn’t D. can’t
查看习题详情和答案>>A: Must I go out for a walk now?
B: No, you _____.
A. mustn’t B. can’t C. needn’t D. may not
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