One. Etiquette: Do not honor teachers, bothering friends around 2. Study mode: not interested, I do not know 3. Budget: Consumption costs Releasing grades, to waste time in class .
1. manners: do not honor teachers, interfering with a friend around 2. Learn: learn, learn not interested don't know about 3. Budget: the wasted expense of the grade, waste time in studying .
1. manner: not to honor a teacher, noise friends around 2. The study: Not Interested dear, dear don't know 3. budget: Cost of the upgrade, takes time to study