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最佳答案：Must I finish the work before I go home?Yes,you must.我必须要把工作做完才能回家吗?是的.你必须.这种就需要
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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：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：must的否定形式就是needn`t.needn`t是不必mustn't是禁止,不允许
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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：用needn't回答啊.比如说：Must i tell you the truth?否定回答就是：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：1 Sam must have stayed up late last night.2 There must be Bob.3 Someone must hav
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最佳答案：1.He can play the violn very well.2.Gan she do it well by herslef ?