69. It was not until 1920_____ regular radio broadcasts began.

　 A. while　 B. which　 C. that　 D. since

68.I work in a business____almost everyone is waiting for the great chance.

　 A. how　 B. which　　 　　　　C. where　 D. that

67.I thought her nice and honest ______ I met her.

　 A. first time　 B. for the first time　 C. the first time　 D. by the first time

66. I don’t really work here; I ___ until the new secretary arrives.

　 A. just help out　　　　 B. have just helped out

　 C. am just helping out　　 D. will just help out　　　　　　　　　　　

65. She has two brothers, _____ are teachers.

　 A. who　 B. that　 C. whom　 D. 不填

64.He had his leg_____ in the match yesterday.

　 A. to break　 B. broken　 C. break　 D. breaking

63. Roses need special care_____ they can live through winter.

　 A. because　 B. so that　 　　　　　　　　C. even if　 D. as

62.A man____ our boss will surely succeed.

　 A. such as　　 B. for example　 C. as if　 D. as such

61. After having been painted, the old house looks____ a new one.

　 A. as well as　 B. as better as　 C. as good as　 D. nice as

60.Thousands of works of art,______ the most famous paintings, were_____ during the war.

　 A. included; missed　　 B. including; missing

　 C. included; missing　　 D. including; missed