◎ 题干
It's surprising that your brother _____ Russian so quickly-he hasn't lived there very long.
[     ]
A. picked up          
B. looked up          
C. put up        
D. made 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“It's surprising that your brother _____ Russian so quickly-he hasn't lived there very long. [ ]A. picked up B. looked upC. put up D. made 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。