题目内容
17.The talented boy _________ write lyrics when he was at the age of ten.( )| A. | may | B. | could | C. | must |
分析 那个有天赋的男孩10岁就可以写歌词了.
解答 答案:B.
may可以;could,can的过去时,表示可以,能,会;must一定,必须.根据 when he was at the age of ten,这里的意思是当他十岁的时候,表示一个过去的时间,时态是一般过去时,所以前面的主句也应该用一般过去时,could是can的过去式,表能够.故选B.
点评 本题考查了情态动词的用法.解答时注意理解句意以及所给选项的意思并作出正确选择.
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