◎ 题干
—Oh, doctor, The wound on my leg is infected.
—You really shouldn’t have left it _______ to the sun.
A.discoveredB.exposedC.openedD.buried
◎ 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“—Oh, doctor, The wound on my leg is infected.—You really shouldn’t have left it _______ to the sun. A.discoveredB.exposedC.openedD.buried…”主要考查了你对  【序数词】  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。