Bob is a good boy at school. He always obeys class 1 . He often listens to the teacher 2 and 3 actively. He never eats or makes 4 in class. And he can always hand 5 his homework 6 time. At home, Bob is also a good boy. He always goes home early 7 school. And he usually helps his mother 8 housework. He never 9 a mess in his room. In the evening, he goes to bed early and never reads 10 bed. We should learn from him.