◎ 题干
—How clean the window is!
—Yes, it       just now.
A、cleaned
B、has been cleaned
C、was cleaned
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—How clean the window is!—Yes, itjust now.A、cleanedB、has been cleanedC、was 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。