题目内容


—Why did Tom go to bed so late yesterday?

—Because his homework _____on time.

A. didn’t finish                    B. finish                     C. wasn’t finished


【答案】C

【解析】本题考查一般过去时的被动语态。由问句中yesterday可知应用一般过去时，排除B项；homework与谓语动词finish存在被动关系，故应用被动语态结构，选C。


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