问题
选择题
—Did Ann fail in English?
—She ____. Don't you notice that she looks depressed?
A.might
B.must
C.may have
D.could have
答案
C
题目分析:考查情态动词。句意:安英语不及格吗?她可能是这样的,你难道没有注意到她很沮丧吗?根据文中提到Don't you notice that she looks depressed? 表示对过去的推测,may have done,故选C项。
考点 : 考查情态动词