星期,月份,季节,时间,年.前面分别用什么介词?不懂得,别乱说.
问题描述：
星期,月份,季节,时间,年.前面分别用什么介词?
不懂得,别乱说.
答
在某年/月/季度前用in具体某一天或某一天的上午/下午/晚上前用on在时刻前用at 如He was born in January.He was born in January ,1998.He was born on January 1st ,1998He was born on the morning of January 1st...