问题 选择题

Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.

A.had left

B.would leave

C.was leaving

D.has left

答案

答案:A

该句句意为Bob打电话给他的妈妈,告诉她说他进不了房门,因为他把他的钥匙忘在学校了。根据句意可知,把钥匙忘在学校(leave)的动作发生在打电话(called)之前,called 是过去时,那么忘记钥匙在学校leave就是发生在过去的过去,即过去完成时,故选择A项。

【考点定位】考察时态。

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