We should not laugh at others when he or she makes a mistake.When we are waiting for the bus at the bus station,We are supposed to wait in line.What is more,it is bad manners to shout or smoke in public places.Besides,we should not throw rubbish about.

To learn good manners,one must first of all bear in mind that they arise from one’s daily behaviour—the way he responds to others and the manner he behaves in front of people.To be a man of good manners,he must be genuinely polite to others