Question

【题目】— Excuse me, whose French book is this?
—Itbe Tom's. In our class, only he is studying French.
A.must
B.can't
C.May

Answer 1

【答案】A
【解析】句意：打扰一下，这是谁的法语书？一定是汤姆的，在我们班，只有他学习法语。根据句意，只有汤姆一个人学习法语，那么推测这本书是汤姆的可能性很大，所以用must。故选A。