问题
选择题
He ________ a piece of waste paper, and put it into the rubbish bag. [ ]
A. picked up
B. threw away
C. looked for
D. handed in
答案
答案：A
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He ________ a piece of waste paper, and put it into the rubbish bag. [ ]
A. picked up
B. threw away
C. looked for
D. handed in
答案：A