题目内容
17.-Mom,must I go shopping with you this afternoon?-No you______.You'd better finish your homework first.( )
| A. | can't | B. | must | C. | needn't | D. | mustn't. |
分析 -妈妈,今天下午我必须跟你一起去购物吗?
-不,你不必.你最好先完成你的家庭作业.
解答 答案:C
根据题意"妈妈,今天下午我必须跟你一起去购物吗?-不,你不必.你最好先完成你的家庭作业",可知情态动词must提问,答语的否定形式用needn't,意思是"不必",而mustn't表示一种警告,千万不要的意思,结合选项,A.不能 B 必须 C.不必 D.千万不要,故选C.
点评 熟悉情态动词的用法,结合题意,给出答案.
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