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Sam some knowledge of the computer just by watching others working on it. A.brou

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Sam some knowledge of the computer just by watching others working on it. A.brou

Sam ________ some knowledge of the computer just bywatching others working on it.

A.brought up        B.looked up         C.picked up         D.set up

 

试题答案

【答案】

C

【解析】

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