You think your friend should join Better Body Gym.Work in pairs.Look at the information about him below.Write a letter to him,explaining why you think he should join the gym.Use the words in the box to help you.

The words in the box:muscles;expensive;for away;strong; close by;healthy;thirsty;cheap;weak;show;fit;tired

朋友的资料：
Name:Wu Tong
Age:15
Money in bank:RMB3000
Lives:Near the King Hotel
Likes:Exercise and watching football