请帮我用“My first day at school”为题目写一篇文章

题目

请帮我用“My first day at school”为题目写一篇文章
15句左右 不允许用很难的词

答案

How quickly time has flown by!My summer holiday is over.Our school is much more beautiful than before.The grass in front of the office building is so green.The river beside it is so clean and the tree...