问题 选择题

---- The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

---- Oh, dear! She _______ a lot of difficulties!

A.may go through

B.might go through

C.ought to have gone through

D.must have gone through

答案

答案:D

检查考生对情态动词表示判断的掌握和运用能力。首先,对过去发生事情的判断用情态动词+完成形式;其次,ought to have done 表示“本应该……”,即事情没有做,所以不符合语境。must have done 表示“肯定……”。

单项选择题
单项选择题