题目内容
6.-Could you please come to the museum with me this afternoon?-Sorry,I .I have to take a piano lesson at 2pm.( )
| A. | couldn't | B. | mustn't | C. | can't | D. | needn't |
分析 --今天下午请你和我一起去博物馆好吗?
--抱歉,我不能,我必须在下午两点上钢琴课.
解答 答案:C.
结合选项可知本题考查情态动词,首先明确选项中每个单词的意思:A:不能(can't的过去式);B:不可以;C:不能;D:没必要; 结合题干推测答语的句意是"抱歉,我不能,我必须在下午两点上钢琴课.",所以can't 符合句意,注意问句中使用could为的是使语气委婉,答语中用can即可,故选C.
点评 本题考查了情态动词的用法.解答时首先根据题干明确句意,理解所给选项中每个情态动词的意思并熟练掌握它们的用法,便可作出正确选择.
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