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 ,1998
He was born on the morning of January 1st ,1998
He gets up at 7:00 every day .
星期,月份,季节,时间,年.前面分别用什么介词?
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 ,1998
He was born on the morning of January 1st ,1998
He gets up at 7:00 every day .