Hello,boys and girls：
My name is xxx.I'm eleven years old.I'm glad to meet everybody.I think I'm outging .My favorite subject is English,because it's interesting.I also like reading and playing sports.I hope that we can be friends .
That's all.Thank you.
你没说你的爱好、我也不知道你是男是女、所以不太好写、爱好和年龄你自己还可以修改一下.