问题 选择题

---Must I clean the floor now?

---__________. It is too dirty.

A.Yes, you needn’t

B.No, you needn’t

C.No, you mustn’t

D.Yes, you must

答案

答案:D

对于must 引导一般疑问句的肯定回答为yes ,….must否定回答为no,….needn’t/don’t have to,故选D

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