When is your mother going there?——She's going ____the 20th(用介词填空)
问题描述:
When is your mother going there?——She's going ____the 20th(用介词填空)
答
on
on+具体的时间或日期
答
When is your mother going there?
She's going on the 20th。
答
在具体的某一天用on
答
on