1. Don' be late for class.
2. Keep clean and quite at classroom.
3. Say hello to teachers.
4. Do not eat food at classroom.
5. Do not listen to the music and play the game at the class. 1. Don' be late for class.
2. Keep clean and quite at classroom.
3. Say hello to teachers.
4. Do not eat food at classroom.
5. Do not listen to the music and play the game at the class.