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    .
A．When        B．However     C．Or
A．chocolate   B．fruit       C．vegetables
A．looked      B．saw         C．listened
A．run         B．ran         C．running
A．miles       B．2-miles     C．2-mile
A．instead of   B．instead     C．such as
A．build me up  B．build up me  C．build them up
A．chance      B．fun         C．advice
A．good        B．favorite    C．famous
A．tired      B．sad         C．Fit