Please help me to modify my English test,thank you

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i am perparing toefl ibt test. following is my writing about "why people attend college or university" In my opinion, people who attend college or univerity are for increasing their knowledge which their are intersted. And the college or university really could help people for their purpose. First of all, on the campus, people could meet teachers come from every subjects.They would asking teachers questiones about which they are not understanding and learning knowledge from classes that they choose. This is an common way to increasing people's knowledge. Moreover people go to the college or univesity could know many new friends.If a person study abroad,his/her friends maybe come from different countries.There is also good way to learn something new,such as cultrues in other country. In the college or university,there would have huge library. In these places,people could search the reference and reading books which they like. The most important thing is that library is free for the students whose are studying here.And people who intersted at nature scients,the professional labs are great places for these guys Therefor no matter software or hardware,college or university is the best place for people who want increasing knowledeg. That's why people who want learning more decided to attending college or university.