1楼：匿名用户
the children enjoy themselves on children's day.
the children have a good time on children's day.
the children have fun on children's day.
2楼：匿名用户
the children have fun on children's day.
3楼：淡忘de纪念日
the children enjoyed themselvs on the children's day.
4楼：函谷关上的始皇
on children's day,children had a good time.