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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：you must be more carefully when go through the street
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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：must-Yes,you should./No,you needn't.need-Yes,you should/may/can/need./No.you nee
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最佳答案：C.musthave to 必须，不得不，表示由客观情况定的must 必须 表示主观因素
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最佳答案：We must study hardmust you study hard?yes,you must/no,you needn't
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最佳答案：1.Yes,you must.No,you need't.一般没有用need提问的2.be suppose sb.do sth.3.没有Who答案吗?是who才
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最佳答案：Must I do that?Yes,you must; No,you needn'tNeed I do that?Yes,you must; No,you n
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最佳答案：I must do my homework.I have to clean my room.I must not disturb the lesson.I do
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最佳答案：May I……?No,you can't.Must I……?No,you needn't.