题目

32.—How did you do on the test?—Not so well.I much better but I misread the directions for Pa
32.—How did you do on the test?
—Not so well.I much better but I misread the directions for Part F.
A.could do B.could have done
C.must have done D.should do

提问时间：2021-04-02

答案

解析:考查情态动词.从语境看,该句表示的是过去的情况,所以可以先排除A、D两项；再根据could表示对过去发生的事情推测“本来能够干某事而实际上能干”和must对过去发生的事情推测“一定干成了某事”可以确定B项正确.
答案:B