问题
选择题
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
答案：D
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。
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