是on a cold winter morning还是in?

请问是In a cold winter morning 还是 on a cold winter morning? 是in cold winter nights还是on cold winter nights ( ) a cold winter night.是用in还是on? 是on a cold winter morning还是in? on a cold winter day,还是in a cold cold winter day为什么不用in on a cold winter evening对吗?- - 有描述过的一天是用on没错吧... In a cold winter evening还是 on a cold winter evening ()a cold winter morning （ ）a cold winter in还是on同上 The baby was bear on a cold winter evening. 是in a cold winter 还是on a cold winter?（）None of you will go to play basketball_____a cold winter,_____?A in,will none B on,won't you C in,will you D on,will you谢谢大家了,我弄不太清楚,见谅~~ I was born----a cold winter morning.It's----Dcember 12th.A.in,on B.on,in C.in,/ D.on,/看来是答案错了。 寒冷的冬天是the cold winter还是cold winter? This story happened on a cold winter in 2007.请问这里用on对不对,为什么? i was born (on)a cold winter morning(on)january,1948 对不? 介词选用题( )Sep.12(on/in/at)( )A cold winter morning(on/in/at) They arrived in England on a cold winter morning.(保持原句意思)They _______ _______ England on a cold winter morning. This story happened on a cold winter morning改为同义句This story ______ on a cold morning.改为同义句This story ______ ______on a cold morning.