As the saying goes, “No one knows the value of health until he loses it.” From this, we know that health is     1     (true) important to everybody. But how to keep fit? Many people believe that sports can offer people health and pleasure. As far as I am concerned, doing physical exercise     2     (have) lots of advantages.

First of all, doing exercise in the morning will refresh my body as well as give me     3    good appetite to eat my breakfast. What’s more, the air in the morning is really fresh and clean , so I can keep my mind clear and sound in the class. By doing physical exercise every day I can keep my mind sharp ,     4     helps me finish my tasks in time. If I do not do any physical exercise for a long time, I     5     (feel) tired and my body becomes quite sluggish(浑身无力的). During the night, I may find     6     harder to fall asleep. Last but not least, doing exercise every day will help me build a better personality. It takes time and patience    7     (do) exercise .Sometimes I just want to give     8    , but my friend s encourage me to carry on. Then I feel a lot of satisfaction. Doing physical exercise makes me stronger and     9     (healthy). That’s my personal experience.

As a student, sports are necessary. You can pick up your favorite sport and do it every day. Only in this way can you build up your     10     (strong) and stay happy.