Помогите составить 8 предложений (сочинение) Я Семи классник. Знаю тошто…

I'm in the seventh grade and it's so good! Teachers give me a lot of new knoledges, but I must to to give in return them my good marks and good behavior! It's very important, because good pupil must to be smart and very patient! So, I'll try to be like it, cause I want to have a lot of good knoledges and please my teachers! Разбей там на несколько предложений, хорошо?)