2)When did you go to school?
3)How did you go to school?
4)What is the most difficult subject for you?
5)What would you like to learn?
6)What foreign languages do you want to learn?
7)What countries would you like to visit?
8)Не представляю что можно вставить.Как вариант:You must work hard.Do you realy want to go to these countries?