Convenient ______ plastic bags are for people, they will cause white pollution. A. as B. although C....
2022-09-05 13:54:40 196次 黑龙江省大庆市2018-2019学年高二上学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Convenient ______ plastic bags are for people, they will cause white pollution.
A. as B. although
C. since D. while
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