You were silly not ___ your car.A.to have locked B.having locked 求解这两个答案的区别.

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You were silly not ___ your car.A.to have locked B.having locked 求解这两个答案的区别.

a

我认为应该选a。句子的意思是“你没有把车锁上,你真傻。”该句用的是:It's / Sb. is + adj. + to do sth. 该句用不定式的完成时态是因为动作已经完成。