是in cold winter nights还是on cold winter nights

是in cold winter nights还是on cold winter nights 请问是In a cold winter morning 还是 on a cold winter morning? In winter,it is cold. ( ) a cold winter night.是用in还是on? 是on a cold winter morning还是in? It is cold in winter in Shnaghai?(对划线部分提问) (划线的是cold) 寒冷的冬天是the cold winter还是cold winter? on a cold winter day,还是in a cold cold winter day为什么不用in Sometimes_____snows hard in winter and______is very cold. Is the weather cold in winter winter：It is cold and often snows in winter.翻译 It's cold in winter there对cold提问 It is cold in Beijing in winter 用cold来提问【 】【 】【】【】in beijing winter? the weather is cold （ ）.A,winter B,in winter C,at winter D,for winter the weather is cold ( ).A,winter B,in winter C,at winter D,for winter People think it very cold in winter .(It ____ _____ _____ _____ very cold in winter ) I was born in a poor family --------- a cold winter morning.不是翻译，是填空 In winter,it is cold.的意思这是四年级的英语课文噢!