Question

【题目】The book _____ his because his name is on it.

A.must beB.can’t beC.may beD.might be

Answer 1

【答案】A

【解析】

句意：这本书一定是他的，因为上面有他的名字。

考查情态动词。must be一定，有把握的肯定推测； can’t be一定不会，有把握的否定推测；. may be可能是，没把握的肯定推测； might be可能是。根据下文“his because his name is on it.”可知这里是有把握的肯定推测。这里用must be。故选A。