Having checked the doors were closed,and_______all the lights were off,the boy o - 高中英语试题 - 超级试练试题库

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题型：不详难度：来源：

Having checked the doors were closed,and_______all the lights were off,the boy opened the door to his bedroom.

A．why	B．that
C．when	D．where

答案

解析

that引导宾语从句,在从句中只起连接作用,不作任何成分,常被省略,但当谓语后接两个或两个以上宾语从句时,第一个that可以省略,第二个that不能省略。故选B项。why引导宾语从句意为“为什么”。when引导宾语从句，意为“当……的时候”。where引导宾语从句意为“在……地方”。

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试题【Having checked the doors were closed,and_______all the lights were off,the boy o】；主要考察你对句法等知识点的理解。[详细]

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