This winter words,only saying to understand

This winter words,only saying to understand in winter 还是 on winter This story happened on a cold winter in 2007.请问这里用on对不对,为什么? Warm This Winter 歌词 on winter 加不加冠词 on a winter day ( in/on/at )winter Helen went to( Hainan) on holiday this winter 对打括号提问 if you are on my side,and this winter will be cold? Dear Sunny travel My family and I want to go on a trip this winter vacation they (not want) to go on a package tour this winter holidays This accident happened 什么 a winter afternoon.A.This accident happened 什么 a winter afternoon.A.in B.at C.on D.with in winter holiday还是on winter holiday on winter day 还是 in winter day 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. this winter is so cold You sign me this winter People write words on