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