题目内容
—Whose schoolbag is this?
—It ___________ be Mary’s. It has her name on it.
—It ___________ be Mary’s. It has her name on it.
A.can | B.may | C.will | D.must |
D
考查点:情态动词辨析。解题思路:书包一定是玛丽的,因为上面有她的名字。
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