问题

I felt surprised that anyone of his intelligence ________ such an easy test.

A:might have failed
B:could have failed
C:should have failed
D:must have failed

正确答案是：

同类题型

I haven’t got a partner _________.— Maybe you can ask John for help.

ecial thanks go to thousands of volunteers,without ________tireless work, none of this would be possible

下列各句中没有语病的一句是（）

It wD．had trapped

Google’s complaints about hacker attacks on its servers (服务器) made the public more concerned about the problem of Internet safety ____, it called for changes in recent Chinese laws [ ]