Ifeltsurprisedthatanyoneofhisintelligence    suchaneas...

问题详情：

 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

【回答】

C

知识点：虚拟语气与情态动词

题型：选择题