On September 22, more than 150 Chinese cities, including Beijing, observed world Car Free Day to low...
2022-11-21 13:10:46 27次 2013-2014学年福建省高三第一次模拟英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
On September 22, more than 150 Chinese cities, including Beijing, observed world Car Free Day to low-carbon travel.
A. promote B. protect
C. imitate D. contact
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