题目内容
Plastic bags are provided for our convenience but they have also_______ the pollution of the environment.
A.adapted to B.turned to C.contributed to D.looked forwarded to
C
解析:
略
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题目内容
Plastic bags are provided for our convenience but they have also_______ the pollution of the environment.
A.adapted to B.turned to C.contributed to D.looked forwarded to
C
略