题目内容
—Mum, I have received a big box this morning, what's in it?
—I'm not sure. It __________ be a present from your brother.
A.might B.can C.must D.will
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题目内容
—Mum, I have received a big box this morning, what's in it?
—I'm not sure. It __________ be a present from your brother.
A.might B.can C.must D.will