We are leaving for Beijing____ a cold morning in January. A.in B.on C.at D.for

We are leaving for Beijing____ a cold morning in January. A.in B.on C.at D.for
We are leaving for Beijing____ a cold morning in January. A.in B.on C.at D.for

We are leaving for Beijing____ a cold morning in January. A.in B.on C.at D.for
B
具体的日期前用on,on a cold morning in January 在1月的一个寒冷的早晨
不明白的再问哟,请及时采纳,多谢!

B
morning有修饰，用on

at
特指一个寒冷的早上
如果没有a cold可用in the morning