My favorite high school memory

I remember that I studied hard for entrance examinations after school. My high school is a school to go on to college, and more 90% of students are applicants for admission to college. I couldn't go to cram school, so I didn't have any ways to study. I used to study alone in my classroom after school. Sometimes, my best friend studied together. We often teach math each other. I have thought that I wanted to stop studying many times, but I didn't hate studying, and I was glad to be able to solve problems which I couldn't understand at first. It was hard for me in those days, but it is a good memory now.

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