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最佳答案：肯定句是；Yes,you must.否定句是NO,you needn't.
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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：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：1.speakCan he speak English very well?Yes,he can./ No,he can't.2.gets upDoes he