问题 选择题
By playing with the native boys and girls,one can ________ a lot of their language.
A.pick upB.set up
C.build upD.put up
答案

A

解析 考查动词短语辨析。句意为:与本土的孩子们玩可以顺便学会许多他们的语言。pick up(偶然)获得,听到,学会,符合句意。

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