I’m surprised that he in the exam.A. should failB. would have failed C. may have failed

问题补充：

I’m surprised that he in the exam.

A. should fail

B. would have failed

C. may have failed

D. should have failed

答案：

A. should fail

B. would have failed

C. may have failed

(答案→)D. should have failed

解析：should可用于表示惊奇、感叹、不满等感情色彩的句子，如指过去的动作，则要用should have done sth. Would 和 may通常不带感情色彩。