May 4th is Youth Day.五月四日是青年节

今天的几个句子是有关青年节的：1.What did Mary do on Youth Day?  玛丽在青年节做了什么事？ 2.Commemorate May 4thYouth Day.纪念“五四”青年节 。3.We must carry down and develop May 4th glorious tradition.我们要继承和发扬五四光荣传统