He went into his room, the light and began to work. A. has turned on B.

He went into his room, the light and began to work.

A. has turned on B. turned off C. turned on D. has turned off

答案

解析:时态、动词短语的考察进房间，开灯、开始工作一些列的顺成动作，均用一般过去时，

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He went into his room, the light and began to work. A. has turned on B.

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