◎ 题干
—Did they clean the house yesterday afternoon?
—______. They cleaned it this morning. 
A.No, they don’tB.Yes, they did
C.No, they didn’tD.Yes, they do
◎ 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“—Did they clean the house yesterday afternoon?—______. They cleaned it this morning.A.No, they don’tB.Yes, they didC.No, they didn’tD.Yes, they do…”主要考查了你对  【日常用语、谚语】【情景交际】  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。