问题
选择题
There are a few plastic bottles on the ground, please____ ． [ ]
A. hang them up
B. hang up them
C. pick up them
D. pick them up
答案
答案：D
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There are a few plastic bottles on the ground, please____ ． [ ]
A. hang them up
B. hang up them
C. pick up them
D. pick them up
答案：D