—The cars give off a great deal of waste gas in the streets. —Yes. But I'm sure something will be do...
2022-10-01 05:08:47 18次 江苏省如皋市2016-2017学年高二 选修七 Unit 1 Living with technology 课时练习 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—The cars give off a great deal of waste gas in the streets.
—Yes. But I'm sure something will be done to air pollution.
A. reduce B. remove
C. collect D. warn
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