◎ 题干
It is hard to catch those who _______ the small advertisements at night.        
[     ]
A. put up          
B. put off              
C. put on            
D. put away
◎ 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“It is hard to catch those who _______ the small advertisements at night. [ ]A. put upB. put offC. put onD. put away…”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。