根据下面内容提供和所给的参考词汇,用英语写一篇80词左右的短文,你的好朋友王凯

My good friend Wang kai is a middle school student.He gets up very early everyday,then does morning exercise.He is strong and healthy.He has a good diet.Vegetables,fruit and fish are his main food. He eats meat twice a week,but he never has junk food. He usually does his homework after supper.At weekends,he watches TV for a short time.He sleeps nine hours a day.