例一：There are many kinds of sports that I enjoy, such as swimming, basketball,travelling and so on. However, my favorite sport is running.In my mind,it is a good activities for people to keep healthy and relieve the pressure. After busy studying,i usually run on the playground,and i think that's the most wonderful time in a day.I love this sport since i'm 4,but at that time i only run for fun without any purpose.It's different now.Running has become a essential part in my life.I love running,and i 'll keep running.

例二：I like running.I run for twenty minutes every day.Early in the morning,I often run on the playground in my school. It helps me to keep fit. It has helped to keep doctor away since I started to do some ranning each day for my health. I usually do some warming up exercises first. I feel comfortable when I finished running. I think, Running not only does me a lot of good but also learn something by heart.