题目内容：

完形填空。

I am a 15-year-old boy. I am quite healthy.     , one year ago I was fat because I loved chips and    , and I got tired easily. One morning I    some young men running in the park. They looked really fit and active. So I started    .

Now I have a    run every morning. I drink milk and eat fresh fruit and vegetables    chips and chocolate. Healthy eating habits and running help to    .

I have great    running, and I run every day. Running has become my     sport. Now I feel well and look    .

1.A．When         B．However    C．Or

2.A．chocolate  B．fruit       C．vegetables

3.A．looked      B．saw          C．listened

4.A．run         B．ran         C．running

5.A．miles        B．2-miles     C．2-mile

6.A．instead of   B．instead      C．such as

7.A．build me up  B．build up me  C．build them up

8.A．chance      B．fun         C．advice

9.A．good         B．favorite     C．famous

10.A．tired      B．sad         C．Fit