_________ March 28, about 20 Chinese cities turned off lights of major buildings
_________March28,about20Chinesecitiesturnedofflightsofmajorbuildingsforonehour.A.AtB....
_________ March 28, about 20 Chinese cities turned off lights of major buildings for one hour.
A. At
B. In
C. On
D. Of 展开
A. At
B. In
C. On
D. Of 展开
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
