题目内容
6.Workers built shelters for survivors whose homes__________.( )A. | had destroyed | B. | has been destroyed | ||
C. | has destroyed | D. | had been destroyed |
分析 考查过去完成时态的被动,句意:工人们为家园已经被毁掉的幸存者建立了避难所.
解答 答案D,主句动词用了过去时built,定语从句的动词destroy发生在build之前,所以应该用过去完成时态,主语homes和destroy之间是被动关系,应该用被动,所以填had been destroyed.
点评 过去完成时态常用于过去的过去.
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