九、81. ne possible version: Dear Mike I've received your email. I'm glad you do a lot of exercise every day. Exercising is good for our health and study. It can make us confident and happy. practise carefully. in PE class. play basketball, football and volleyball. I also run and play table. tennis. Football is my favourite.i- play it with my friends three times a week. But I can't swim. During' the coming winter holidays, I'm going to learn it. And I want to join a swimming club.. I believe the more exercise I do, the more I' ll get. Yours, Wang Kai