下面语段中，画线的①句中有一处标点符号使用不当，②③句存在语病，请一一改正。
2009年4月22日晚，在奥林匹克体育馆，①我市举办了一场红色经典歌曲万人歌咏大会——暨纪念芜湖解放60周年大型文艺晚会。市文化馆承担了此次歌咏大会合唱方阵队的辅导排练工作，②并全程接待外地来芜演职人员的吃、住、行，圆满完成了各项任务，受到了大会组委会的表彰。③通过此次活动的开展，使全馆工作人员进一步认识到文化馆是开展群众文化活动的龙头单位。
改正：
①____________________________________
②____________________________________
③____________________________________
①删去破折号。
②将“接待”改为“负责”或删去“的吃、住、行”。
③删去“通过”或“使”。
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| Have you ever had problems in your life and don't know how to be happy? If 1 , you will find "Being a Happy Teenager" written by and Austrian writerAndrew Matthews useful. In this book, Matthews tells us how to have a happy life and 2 thequestions of teenagers. There are many subjects, so stop being 3 and forgive. The book tells ussome useful skills, such as how to put what you have learned into pictures of yourmind to 4 your memory better. Many teenagers think that happiness comes from a good exam result orpraise from other people. But you call 5 be happy when there are no such "good" things. Success comes 6 a good attitude (态度). If you 7 problems, you will have success in the future. Some school students have problems, such as being too tall or short. But Matthews tells us that happiness comes from thinking about things 8 positive (积极的) way. If you are tall, people notice you and you can get a 9 view at the movie; if you are short, your clothes and shoes take less 10 in your bedroom! This is Matthews'most important lesson: you choose to be happy! | ||||
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