_________ March 28, about 20 Chinese cities turned off lights of major buildings for one hour.A.AtB.

题目简介

_________ March 28, about 20 Chinese cities turned off lights of major buildings for one hour.A.AtB.

题目详情

_________ March 28, about 20 Chinese cities turned off lights of major buildings for one hour.
A.AtB.InC.OnD.Of
题型:单选题难度:偏易来源:不详

答案

C
在具体一天的前用介词on,故选C

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