◎ 题干
-Oh, my God! I can't find my key to the office.
-Don't worry. Perhaps it _________ at your home.
A.left B.has left C.was left D.had left
◎ 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“-Oh, my God! I can't find my key to the office.-Don't worry. Perhaps it _________ at your home.A.leftB.has leftC.was leftD.had left…”主要考查了你对  【被动语态】  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。