-
最佳答案：You must stay here.Must I stay here?Yes,you must.No,you needn't.
-
最佳答案：No,you don't have to.
-
最佳答案：yes,you can./no,you can't.yes,you must./no,you needn't.yes,you need(must)./no,yo
-
最佳答案：must-Yes,you should./No,you needn't.need-Yes,you should/may/can/need./No.you nee
-
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
-
最佳答案：We must study hardmust you study hard?yes,you must/no,you needn't
-
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
-
最佳答案：Must I do that?Yes,you must; No,you needn'tNeed I do that?Yes,you must; No,you n
-
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.
-
最佳答案：I must do my homework.I have to clean my room.I must not disturb the lesson.I do