精选优质文档-倾情为你奉上英语专业四级作文范文1. How to Keep Fit A healthy body is very important to every one of us. When you are sick, you feel painful all over your body, have no energy to work; and the only thing you want to do is lying on the bed. When you are healthy, you can eat well, sleep well, sing and jump happily, do all the things you like to enjoy life. The methods to keep us fit vary. In the morning, you can get up early, go outdoors, breathe the fresh air, and do physical