◎ 题干
—Dad, shall we go out and wash your car?
—______ you ______ your room yet?

[     ]

A. Do; clean
B. Are; cleaning
C. Did; clean
D. Have; cleaned
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Dad, shall we go out and wash your car? —______ you ______ your room yet? [ ]A. Do; clean B. Are; cleaning C. Did; clean D. Have; cleaned …”主要考查了你对  【现在完成时】  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。