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：每处错误及其修改均仅限一词。
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Friendship is very importance. Everyone needs friendship. In all our lives we can't live without friendship just as we can't live without air and water. Friendship makes us getting on well with one another to go ahead under different kind of difficulties in the front of us. But real friendship is no easy to come by. True friendship must be sincerely and be based on understand each other but not on benefits of each other. A good friend can always be a good teacher to us.By his advices we are persuading to go the right way. Therefore，more friends we have, the better we can improve ourselves.
