may提问回答什么
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最佳答案：否定may用can't或mustn't肯定用can回答
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最佳答案：B
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最佳答案：must:肯定must（必须）,否定must not/mustn't/needn't（不准,禁止）He mustn't be there 他一定不在那儿.Mus
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最佳答案：yes,you can./no,you can't.yes,you must./no,you needn't.yes,you need(must)./no,yo
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最佳答案：肯定回答 否定回答can can can'tcould can can'tmay can/may may not/ mustn'tmight can/might