问题
选择题
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
答案：A
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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：A