题目内容

12. ―Jack fell off the ladder yesterday, but he is all right now.

―What a lucky dog! He     himself badly.

A.    should injure

B.    might injure

C.    should have injured

D.    could have injured

12.   D考査情态动词和虚拟语气。句意:"杰克昨天从梯子上掉下来了,但是现在没事了。""真幸运!他本来会严重受伤的。"因为是说明过去的事情,所以排除A、B。 could have done本来可能做而实际未做;should have done过去本应该做而没有做。根据句意应选D。

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