题目内容
| Sam ____ some knowledge of the computer just by watching others working on it. |
|
[ ] |
| A. brought up B. looked up C. picked up D. set up |
| C |
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题目内容
| Sam ____ some knowledge of the computer just by watching others working on it. |
|
[ ] |
| A. brought up B. looked up C. picked up D. set up |
| C |