问题
选择题
Tom _____ a piece of waste paper, and put it into the rubbish bag. [ ]
A. put away
B. threw away
C. stood up
D. picked up
答案
答案：D
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Tom _____ a piece of waste paper, and put it into the rubbish bag. [ ]
A. put away
B. threw away
C. stood up
D. picked up
答案：D