69. It's believed that students learn _____ in a classroom environment that is lively and cheerful.

　　 A. less and better　　　　　 　　　　B. better and more

　　 C. more or less　　　　　　　　　　 D.　 more but better

68. The more he explained, the more we got ________.

　　 A. confuse　　　　 B. confusing　　　 C. confused　　　　 D. to

67. I Could do nothing but ________ the whole matter ______ a great joke.

　　 A. to treat, as　 B. looking on, as C. having, as　　　 D. regard, as

66. I was pleased that the manager had decided not to be angry with me for ____.

　　 A. so rude　　　　　　　　　　　　　 B. being so rude

　　 C. having been so rude　　　　　　　 D. have being so rude

65. Students with had manners _______ by without ________ the teachers.

A.　　　　　　　　　 past, greeting　　　　　　　　　 B. past, being greeted

C. passed, greeted　　　　　　　　　 D. passed, greeting

64. How pleased to see you here! I ______ you ______ coming to the conference.

　　 A. don't know, will be　　　　　　　 B. won't know, are

　　 C. didn't know, were　　　　　　　　 D. didn't think, are

63. The comedian tried hard to entertain the audience and his efforts seemed to work.

　 The audience were made _______ all through the show.

　　 A. laugh　　　　　 B. laughing　　　 C. to laugh　　　　　 D. laughter

62. Do you think you can get the radio ________?

　　 A. work　　　　　 B. working　　　　 C. worked　　　　　　 D. works

61.Tne girl is ________ our guide.

A. acted as　　　 B. worked as　　　 C. served as　　　　 D. known as

60.--Is it going to rain tomorrow?　 -- ________. The cloud is gathering.

　　 A. I hope not.　　 B. I don't hope so. C. I’m afraid so.　 D. I don't think so.