◎ 题干
—Attention, please. The plane has to be put ______ because of the heavy fog.
—Oh, bad luck! We have to wait now.
A.onB.awayC.up D.off
◎ 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“—Attention, please. The plane has to be put ______ because of the heavy fog.—Oh, bad luck! We have to wait now.A.onB.awayC.up D.off…”主要考查了你对  【介词短语】【介词】  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。