4. Write thank-you notes, make get-well cards for sick friends and say goodbye to people who are leaving.

3. Help strangers. Helping someone who has difficulty climbing stairs is a good way to start. Remember that some day you could be in need of help and a stranger could come to lend a hand.

2. Be polite to everyone, even to people who are not polite to you. You may find that they are nice to you in return.

1. Be nice to people. Give help to someone who needs it. Remember that by helping them, you are also making yourself happy and in the long run you are helping yourself.

54. A. smoke           B. drink                 C. fight                 D. work

53. A. before           B. if                    C. whether               D. though

52. A. play             B. change               C. study               D. meet

51. A. still              B. nerver               C. sometimes            D. already

50. A. books           B. teachers               C. food                  D. money