问题
选择题
This kind of material can be used to ____ plastics. [ ]
A. taking the place of
B. take place of
C. taking place of
D. take the place of
答案
答案：D
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This kind of material can be used to ____ plastics. [ ]
A. taking the place of
B. take place of
C. taking place of
D. take the place of
答案：D