Dear Kelly,
Lisa is my best friend.She is twelve years old.She is taller than me,but I'm stronger.We are classmates.We both like English a lot,so we often practise English together.She does well in math while I'm good at Chinese.We often help each other.We both like sports,but she runs faster and I jump higher.She loves making friends,too.She will be very happy if you write to her.I think you can be good friends.
Best wishes and good luck!
Yours,
Wang Li