CarscausemostofBeijing’sairpollution.Sothe“NoCarDay”cam...

问题详情：

Cars cause most of Beijing’s air pollution. So the “No Car day”campaign（活动）asks Beijing drivers          their cars at home one day each month.

e                 ing               leave

【回答】

C

知识点：非谓语动词

题型：选择题