Sam _____ some knowledge of the computer just by watching others working on it. A. picked up B. look...
2022-10-22 00:32:41 43次 2015-2016学年福建师大附中高一上学期期末英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Sam _____ some knowledge of the computer just by watching others working on it.
A. picked up B. looked up
C. brought up D. set up
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