The production of plastic bags creates greenhouse gases which
网友回答
contributes
======以下答案可供参考======
供参考答案1:
B:contributes
供参考答案2:
选B 因为cont有连续的(continued)的意思
The production of plastic bags creates greenhouse gases which cont to global warming.
生产塑胶袋,非饱和土的温室气体,其中造成全球变暖的问题。