◎ 题干
—Do you often clean your classroom?
—Yes, our classroom _____ every day.
[     ]
A. clean
B. cleans
C. is cleaned
D. cleaned
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—Do you often clean your classroom? —Yes, our classroom _____ every day.[ ]A. clean B. cleans C. is cleaned D. cleaned …”主要考查了你对  【被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。