下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。
增加:在缺词处加一个漏字符号(∧),并在其下面写上该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写上修改后的词。
注意:1.每处错误及其修改均仅限一词;
2.只允许修改10处,多者(从第11处起)不计分。
Sport is necessary for everyone. It help you keep fit. Fitness is important if you want to be healthy throughout yours life. The best way to keep fit is to get plenty exercise by doing sport. According to scientists, doing sport can benefit to people a lot mentally as well as physically. The more sport they do, the happy they will feel. Besides, sport can help people develop will and determination. These qualities help people achieve their goals so they will not give up so easily when faced difficulties. What's more, sport builds team’s spirit, which is good for the whole society. It helps people work close and smoothly and think about others, not just themselves. As conclusion, sport is good for your health and happiness, and for society.