◎ 题干
Internet shopping will really _____ when people make sure that it is safe.
[     ]
A. take off
B. take up
C. set off
D. set up
◎ 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“Internet shopping will really _____when people make sure that it is safe. [ ]A. take off B. take up C. set off D. set 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。