I. 1-5 BACCA 6-10 CDBCD 11-15 AACBA
　　II. 16-20 CAACB 21-25 DBCBA
　　III. 26-30 BDBCC 31-35 DACCA 36-40 BCBAC 41-45 BCADC 46-50 BCDDC
　　51-55 BDEAC 56-60 BFCDA
　　IV. (One possible version)
　　61. The policeman is very kind to send me home.
　　62. The stylist didn’t stop working before all the customers left.
　　63. She felt very happy when she won the first prize.
　　64. I would like to have a dinner with you when you are free.
　　65. The ice is so thin that we can’t skate on it.
　　V. (One possible version)
　　66. friend 67. Grade 68. habits 69. cheating 70. advice
　　71.
　　Dear Fancy,
　　You are so kind to care and worry about your friend. I’d like to give you some advice. You can ask Paul to go to school together in the morning and he has to get up early. When you play with Paul, you can tell him that doing homework alone is very important for a student. And every student should get good marks through hard work. Besides, you should always encourage Paul, because it is not easy to give up all bad habits in a short time.
　　I believe you will deal with these problems very well.
　　Best regards!
　　Miss Green