Second, you should concentrate on learning in When you listen to the teacher, you understand the things you do not know more. Teachers will be raised, for example, and to make you understand more.
Second, you should pay attention in class rooms. Every time you listen to the teacher to make you understand what you do not know much more. I will give examples and will give you more insight.
Second, you should study hard in the room. When you listen to your teacher will help you understand what you don't know more. The teacher will give an example and make you understand more.