问题 选择题

—Whose pencil box is this?

—It _____ be Tom’s. It has his name on it.

A.must

B.may

C.might

D.can’t

答案

答案:A

题目分析:句意:这是谁的铅笔盒?它一定是汤姆的,上面有他的名字。A. must必须,一定是;                                                             B. may可能;   C. might可能;          D. can’t不能,一定不是,根据提示“一定是”此处表肯定的推测,所以用must,故选A。

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