Question

【题目】--- Whose notebook is this?

--- It be Tom's. It has his name on it.

A. must B. may C. might D. can't

Answer 1

【答案】A

【解析】句意：——这是谁的笔记本？——它一定是汤姆的。它上面有他的名字。must一定，是有把握的推测；may可能，没有把握的推测；might可能，表示没有把握的推测；can’t不可能，表示有把握的推测。根据It has his name on it.可知此处有把握证明这个笔记本一定是汤姆的，故用情态动词must。故选A。