根据对话内容，用方框中所给词的适当形式填空。
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teach, student, invent, himself, at, job, importance, know |
School education is very important and useful. Yet no one can learn everything at school and a teacher cannot teach his 1 everything they want to know.
His 2 is to show his students how to learn. He teaches them how to read and how to think. So much more is to be learned outside school by the students 3 .
It is always more 4 to know how to study by oneself. It is quite easy to learn something, but it is difficult to use it to solve problems. Great inventors do not get everything 5 school, but they still can 6 many things and change the world a lot.
How can the inventors do all of this? One of the answers is: they 7 how to study. A lot of things are not taught in the classroom. They get a lot of knowledge by reading outside school. They work hard and never give up all their lives.