问题 单项选择题

It's a very kind offer, but I really()accept it.

A. mustn't

B. needn't

C. can't

D. don't

答案

参考答案:C

解析:

mustn't语气强,“禁止”;needn't表示“不必”,常做must问句的回答:can't“不能”;don't助动词,无实意;通过句意可知答案为C。

单项选择题
单项选择题