Do not talk in the classroom.Do not talk in the classroom.Do not talk in the classroom.Do not talk in the classroom.Do not talk in the classroom.Do not talk in the classroom.Do not talk in the classroom.
Don't talk in class.Don't talk in class.Don't talk in class.Don't talk in class.Don't talk in class.Don't talk in class.Don't talk in class.Don't talk in class.Don't talk in class.