题目内容

--- __    __ I finish the homework now , Mrs Zhao ?

--- No , you don’t have to .You can finish it later.

A.Do               B.Must             C.May              D.Should

 

【答案】

B

【解析】

试题分析:Do一般现在时态中的助动词,用于除单数第三人称以外的所有人称。Must情态动词,必须,一定;May情态动词,可以;Should情态动词,应该。根据答语,不,你不必。你可以晚些完成。Must的否定形式一般借助于needn’t和don’t have to来表达。故选B。

考点:一般疑问句的回答

点评:英语中以yes或no开头回答的问句叫一般疑问句,其回答有比较固定的格式。一般为:肯定回答:Yes, +主语(通常是代词)+助动词;否定回答:No, +主语(通常是代词)+ 助动词 not.(的缩写形式).注意助动词和人称代词人称与数上同问句保持一致。当be动词是am时,am与not不缩写.另外有些助动词的否定回答比较特殊,如:must的否定回答不能用mustn’t,需要特指记住。

 

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