Read the harmful advice and change it into useful advice.…

1. Try not to be late for your classes, your teacher will be glad if you come into the class before him/her.2. Don't promt your classmates, even you are not sure of the answer and you will become a very good friend to everybody.3. Be polite to your teacher and she/he won't make calls to your family.4. Don't wear sloppy clothes to school, and youe teacher and classmates will think that you are very neaty.5. Don't talk to your classmates at lessons and your teacher will thank you for the help.6. Do your homework at home.Your teacher will be glad and give you the best mark.