题干

—When is the Art Festival party?

—It's      seven o'clock     the evening of November 18th.

A:at;in

B:at;on

C:on;in

D:in;on

上一题 下一题 0.0难度 选择题 更新时间:2017-11-17 08:56:06

答案(点此获取答案解析)

B