on 在日期中的用法The beginning of the year is the first of January.Children's day is on the first of June.为什么上面一句用on,一句又不用on?on是什么时候用吖?还有讲生日,应该是My birthday is on the 1st June.还是My birthday is the 1st June.我们教科书上是没有on的,但是我上网查又说要有on还是两种都行?或者有什么区别?

问题描述:

on 在日期中的用法
The beginning of the year is the first of January.
Children's day is on the first of June.
为什么上面一句用on,一句又不用on?on是什么时候用吖?
还有讲生日,应该是
My birthday is on the 1st June.
还是
My birthday is the 1st June.
我们教科书上是没有on的,但是我上网查又说要有on
还是两种都行?或者有什么区别?