题目内容
【题目】【2012福建福州】— Our classroom____________every day.
— So it is. It's our duty to keep it clean and tidy.
A. cleans B. is cleaning C. is cleaned
【答案】C
【解析】
试题分析:由于句中主语“Our classroom”是事物,教室只能是被打扫,因此需要用被动语态来表达,由句中“every day”确定,此处应该用一般现在时,其结构为is cleaned。故选A。
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