Question

– Whose notebook is this?
-- It _____ Tom. I saw he used it just now.
A. must belong to         B. can’t belong to         C. might be belonged to

Answer 1

A

考查情态动词。“这是谁的笔记本？”“一定是汤姆的。我看见他刚才用了。”must表推测时，意为“一定”；can’t意为“不可能”；might意为“可能”。故选A。