﹣Mary，howdidyourMathtestgo？﹣IhadthoughtI

问题详情：

﹣Mary，how did your Math test go？

﹣I had thought I _________，but in fact I came in the top 10in my class．（　　）

A．should have failed    B．couldn't have failed

C．might have failed      D．shouldn't have failed

【回答】

C

知识点：连词

题型：选择题