◎ 题干
---  _____ you_____your room yet?  
--- Yes. I_________it a moment ago.
A.Did;clean;cleanedB.Have;cleaned;have cleaned
C.Have; cleaned; cleanedD.Will; clean; clean
◎ 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“--- _____ you_____your room yet? --- Yes. I_________it a moment ago.A.Did;clean;cleanedB.Have;cleaned;have cleaned C.Have; cleaned; cleanedD.Will; clea…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。