◎ 题干
— What's your father doing now?
— He ______ the room

[     ]

A. cleaned
B. cleans
C. has cleaned
D. is cleaning
◎ 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“— What's your father doing now? — He ______ the room [ ]A. cleaned B. cleans C. has cleaned D. is cleaning …”主要考查了你对  【现在进行时】  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。