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最佳答案：You must stay here.Must I stay here?Yes,you must.No,you needn't.
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最佳答案：肯定回答以及否定回答Yes'you must,No you needn't
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最佳答案：Need you...?yes, u needno, u need notmust you...?yes, you mustno, you needn't
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最佳答案：Could...do...Yes,...can.No,...can't.May...do...Yes,...may.No,...mustn't/can't/ma
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最佳答案：yes,you have to.must表示主观上的“必须”,have to表示客观上
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最佳答案：you must be more carefully when go through the street
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最佳答案：may,might表示请求和允许.might比 may语气更委婉,而不是过去式.否定回答时可用can’t 或mustn’t,表示“不可以,禁止”.----Mig
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最佳答案：must:yes,you must. no,you needn't.should:yes,you should. no,you needn't.need:Yes
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最佳答案：need /needn'tmust /mustn'tmay /may not
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最佳答案：must i have done it?------如果是这样的句型,那肯定是错的.应该是：-Must I do it ?- Yes, you must / N