◎ 题干
He stood up and ________ a smile to cover up his disappointment.
A.hidB.managed
C.refusedD.brought
◎ 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“ He stood up and ________ a smile to cover up his disappointment.A.hidB.managedC.refusedD.brought…”主要考查了你对  【一般过去时】【一般过去时的被动语态】  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。