Dear Kate，
I want to be your e-mail friend。My name is Bill. I'm 13 years old. I'm a middle school student.My birthday is February 25th. I like sports I like playing basketball. I often play basketball with my friends on weekends. There are four people in my family. My father、My mother、My sister and me。My father is a policeman and my mother is a teacher。I like my family. Let's make friends.
Plesae write soon.
Bill