一段很简单的英语短文,请英语达人帮忙看一下!

一段很简单的英语短文,请英语达人帮忙看一下!
I want to tell you about my good friend,Mary.She is a girl. She is my classmate,too.
Mary likes listening to music and reading books. Sometimes we listen to music together.Mary is very generous.She is willing to share her things with her friends.And she is very helpful, She always gives her seat to people in need on the bus.
Mary is good at Maths.She always helps me with my Maths.We often go to library together at the weekend. And,Mary is a true friend,When something worries me,I always go to her,I can tell her evertthing because she can keep secrets for me.
I hope we can be good friends forever.
帮忙看一下有没有什么错误,谢谢!