58. I think it’s a __________(浪费) of money to buy that book.

57. I made a stupid ____________(错误) this morning.

56. There is no time left. We have to set off i__________.

55. You should keep the book because it is v__________.

54. We want to set up a policy that u_______,not divides, people.

53. The l_______ of the table is three metres.

52. Smoking can l______ to lung cancer.

15.---How are you getting on with your classmates?

　 ---____________. I’ve got to know them well.

　 A. Far better　　　　　　　　　　 B. Very good

　 C. Much pleased　　　　　　　　 D. Very comfortable

14.Yesterday I saw Tom. I___________him for ten years.

　 A. don’t see　　　　　　　　　　　 B. didn’t see

　 C. hadn’t seen　　　　　　　　　 　D. haven’t seen