As we know, there are many ways to keep in good health. Mary thinks (73)             is good for health. Her home isn’t far from school, so she (74)                 to school on foot every day. Tina thinks running is better than walking, so she runs every morning before breakfast. However, Sally believes they (75)                    both boring. She dances after school every Monday and Wednesday (76)                  she thinks it’s interesting. Most boys love sports. Mike thinks playing football is a good way to keep (77)                  . He plays it every weekend. But his friend Peter likes swimming. He swims twice a week. What do you do to keep healthy?