Life lies in exercise. Everyone needs exercise. Exercise has many benefits. Doing more exercise can keep us healthy and in a good mood. Exercise is indispensable in life. Everyone needs exercise. Doing sports will bring us many benefits and keep us healthy. In spring, we can go running. This will make our legs more flexible in spring, and we can run and exercise outdoors, which will help our legs become more agile. In summer, we can go swimming. Swimming is a whole-body exercise, which can keep us in better shape. In summer, swimming is my first choice. It is a comprehensive exercise from beginning to end. It really helps to keep a good curve. In autumn, we can climb mountains. It exercises our will. In autumn, we can climb mountains. Through these activities, our passion can be enhanced. In winter, we can go skating and play with snow. It can make us find more fun in the cold winter. In winter, skating and skiing are my favorite sports. In cold days, we can find a lot of fun from them. On the physical education class, we had a long-distance race. We warmed up before that. But I was lazy and didn't do it well. When I was running, I suddenly fell to the ground. I pulled a muscle in my leg. On the physical education class, we will have a long-distance race. We made this preparation before the long-distance running, but I was lazy and didn't do it well. Suddenly fell to the ground while running. I pulled a muscle in my leg.