阅读短文，按要求做题。

Hello! My name is John. I'm a healthy boy. I like to eat good food. I like vegetables and fruit. Because they are good for my body. I don't like hamburgers or donuts. I do exercise every day. Every morning, I run for about an hour in the park. I like playing ping-pong best. 1 play ping-pong once a day. If (如果) you want to be healthy and strong, please eat good food and do exercise every day.