假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文.文中共有10處語言錯誤，每句中最多有兩處，每處錯誤僅涉及一個單詞的增加、刪除或修改。
增加：在缺詞處加一個漏字符號（∧ ），并在其下面寫出該加的詞。
刪除：把多余的詞用斜線（\）劃掉。
修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。
注意：
1.每處錯誤及其修改均限一詞。
2.只允許修改10處，多者（從第11處起）不計分。
    Many teachers are talking about the importance of after-class activity，that is believed to bring more creativity to the class.Actually，the traditional class pays much attention to the knowledges from the books all the time，and it is easy let students feel bored.As a result，every student is so exciting about the PE class，so they can enjoy the freedom in it.After-class activity offers students in a different way to broaden their mind and inspire their creativity.Students feeling relaxed and can think in an actively way.Many great people get his idea from nature，so if teachers wanted to improve students' interest，the good learning place should not be limited in the classroom.

【考點】課外活動．

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