◎ 题干
-What did you do ________ your last day off?
-I took my dog _______ a walk.
A.in; for B.on; for C.on; as D.at; on
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“-What did you do ________ your last day off?-I took my dog _______ a walk. A.in; for B.on; forC.on; asD.at; on…”主要考查了你对  【祈使句】【感叹句】【反意疑问句】【表语从句】  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。