a rainy night 前使用on还是at?

a rainy night 前使用on还是at? the traffic accident happened on a rainy night.= the traffic accident ------ ----- on a rainy night 到底是on a rainy night还是in a rainy night in a dark rainy night还是on a dark rainy night 为什么 ____ a terrible rainy night.要用at还是on、、、、纠结 a rainy day前用什么介词?是on a rainy day 还是 in a rainy day? The story happened on a rainy night 这句话是什么句,是不是状语从句 exercise什么时候可数什么时候不可数?on还是at a rainy night? He suddenly returncd___a rainy night.A.on B.at C.in D.during It happened ( ) a rainy night 介词填空 at还是 in a rainy night they went to beijing a( ) rainy night the story happened ____ a rainy night ______ last summera.in in b.on / c.at in d.on in in a rainy day还是on a rainy day?He returned_____ a rainy day night.此处用什么介词看见很多人说用in,具体时间不是用on吗?答案是用in, 高二英语(改错）I arrived in London (in)a rainy night为什么改为on而不是 at in a rainy day还是on a rainy day? in a rainy day or on a rainy day,为什么 a stormy night前是on还是at