◎ 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. cleansC. has cleanedD. 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。