Тут надо поставить прикметник (прилагательное) в правильную форму (ступени сравнения) 1) Art is(difficult) subject for me because I can't draw and paint.
2) Sam is my (good) friend.
3) This story is (long) than that one.
4) Our Maths teacher is (helpful) person in our school. She always helps her pupils.
5) This computer game is (bad) than that one.
6) This grammar rule is (easy) than that one.