Manners are important to keep good relations(关系)among people. 1 likes a person with bad manners.A person with 2 manners never 3 people when they are 4 trouble.Instead,he tries to help them.When he asks for something,he says“please”.And when he 5 others'help,he usually says“thank you”.He does not interrupt(打扰)others when they are talking.He does not 6 loudly in public.When he 7 ,he uses a handkerchief(手绢). 8 a student,it is bad manners to come late for class. 9 you are late,you should say 10 to the teacher.