摘要： - Must he come to sign this paper himself? - Yes.he . A.need B.must C.may D.will 答案 B 解析 表示要求时.肯定回答用must. 否定用needn’t.
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—Why is Tom absent??
—He must be sick，__________??
A.isn’t he B.must he
C.is he D.mustn’t he
查看习题详情和答案>>Tom’t uncle must be an engineer, ____?
A. mustn’t he B. can't he C.isn’t he D.needn’t he
查看习题详情和答案>>He has to finish the experiment today. He must be in the lab, ______?
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A．mustn’t he |
B．won’t he |
C．doesn’t he |
D．isn’t he |
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