题目内容
19.-Is that Peter's hat?-It _________ be his.I'm not sure.( )| A. | must | B. | mustn't | C. | may | D. | can't |
分析 --那是Peter的帽子吗?
--可能是他的,我不确定.
解答 答案:C.
must一定,必须;mustn't不可以;may可能;can't不可能.根据I'm not sure,可知我不确定,所以可能是他的.may可能.故选C.
点评 本题考查了情态动词的用法.解答时注意句意的理解以及所给选项的意思.
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