题目内容
17.---__________ I surf the internet for a while,mum?---No,you ________.I need you to help me with dinner.( )
| A. | Can,may not | B. | May,can't | C. | Must,needn't | D. | Need,mustn't |
分析 --妈妈,我可以上一会网吗?--不,你不能.我需要你帮着我做晚饭.
解答 答案:B.根据I surf the internet for a while,mum?,可知这里表示一种委婉的请求,一般用may来引导,再根据I need you to help me with dinner,可知在这里妈妈不让他上网,以may引导的一般疑问句,否定回答一般用can't.故选B.
点评 本题考查了情态动词的用法.解答时注意区分辨别句意.
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