Manners are important to happy relations among people. No one _______ a person with bad manners. A _______ with good manners never laughs at people when they are in trouble. Instead, he _______ to help them. When he asks for something, he says “________, And when he receives something, he _______ says “Thank you”. He does not interrupt (打扰) _______ people when they are talking. He does not talk loudly or laugh loudly _______ public. When he sneezes or spits(吐痰), he uses a _______ If he is late, he _______ make an apology to the teacher either at the time ________ after class.