用on还是用in windy days

用on还是用in windy days 是in a windy day还是on a windy day? ( )cold winter days前面用in 还是on snowy days前用in还是on,为什么 (on,in)windy weather in working days ,还是on working days in those days还是on those days ___ windy weather 答案用in,可是具体某一天不是用on吗? on rainy days 为什么介词要用on而不是in? Windy days are characteristic ______ March in that country.选项:a、on b、 of c、 for d、 by 是at school days 还是 on school days 还是 in school days 用形容词的比较级或最高级填空1.Rainy days are cold but we have _________ ________ weather of all on clear,windy days in winter这句话请帮我翻译一下2.I think English is not ___(easy) to sudy3.Don't clean those windows ,They are v in the days 还是on the days?1 The days on which black people in the country could not travel without a pass are gone forever.2 I will never forget the days in which we worked together.为什么第一个用on which 第二个用 in which We often wear windbreakers ___ windy days ___ winter.(on/in/at)It's important for you to wear uniforms at work(用It's important that 改写)I think.....He didn't do well in the exam(合并成宾语从句）I want to know........Does your father work windy days 汉语意思 school days前面应该加in还是on啊, _____sunny days,my grandparents always____for a walk.是in 还是 on sunny days fashion用on还是in?