on a winter night.还是 at a winter night?

on a winter night.还是 at a winter night? ( ) a cold winter night.是用in还是on? （—）a cold winter night 中间填什么介词.in还是on. It hanppened__ a winter night .用 in 还是 on 希望大家给个正确答案! what a nice winter at night!还是what a nice winter night!或what a nice night in winter! in winter 还是 on winter at a snowy night还是on a snowy night in a snowy night 还是on a snowy night The poor man died ( )a cold winter night.A inB at C byD on in winter holiday还是on winter holiday on winter day 还是 in winter day Lucy was bron in Shanghai ______one winter night.A./ B.in C.on D.at快 on a winter day 请问是In a cold winter morning 还是 on a cold winter morning? In a cold winter evening还是 on a cold winter evening on a cold winter day,还是in a cold cold winter day为什么不用in 是on a cold winter morning还是in? （ ）a cold winter in还是on同上