He______ that the police would never allow this sort of thing.

admin2012-03-02  29

问题 He______ that the police would never allow this sort of thing.

选项 A、should have known
B、would have known
C、could have known
D、might have known

答案A

解析 他本应知道这样的事情警察是决不允许的。should作情态动词,后接完成时,表示“本应该”。
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