-Must I return the books to the library before Wednesday?-No,you _____.(选择答案如下）A、mustn'tB、wouldn'tC 、don'tD、needn't
问题描述：
-Must I return the books to the library before Wednesday?-No,you _____.(选择答案如下）
A、mustn't
B、wouldn't
C 、don't
D、needn't
答
needn't
问：我是不是必须在周三前把书还到图书馆？
答：不是
must not一般是表示不可以
need not一般表示不需要
答
D 没必要干某事
答
D、needn't
Must的一般疑问句,否定回答用needn't就可以了