◎ 题干
Attention, please. The flight has to be ________ because of the thick fog.

[     ]

A. put on
B. put off
C. put away
D. put up
◎ 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“Attention, please. The flight has to be ________ because of the thick fog.[ ]A. put on B. put off C. put away D. put up …”主要考查了你对  【动词短语】  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。