题目内容
12.---Must I do my homework today?---No,you __________.( )
| A. | mustn't | B. | don't need | C. | don't have to |
分析 -我必须今天要完成家庭作业吗?-不,你不必了.
解答 正确答案:C.must表示一定、必须,其引导的一般疑问句must,其肯定回答用must,否定则用needn't或者don't have to,表示不必了,故选择C.
点评 本题考查情态动词must,基础题,也是易错题,部分学生会误选A项,所以掌握其用法是解题的关键.
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