45. The first use of atomic weapons was in 1945. and their power ______ increased enormously ever since.　 (04上海) (C)

　　 A. is　　　　 　　　　　 B. was　　　 　　　　　 C. has been　　　 　　 D. had been

44．It is said in the book that Thomas Edison (1847-1931)　　　 　the world leading inventor for sixty years .　 (04辽宁) (D)

　　　 A．would be 　　　　　 B．has been 　　　　　　 C．had been 　　　　　　 D．was

43．-George and Lucy got married last week . Did you go to their wedding ?

　　 -No , I 　　　　　. Did they have a big wedding ?　 (04湖北) (C)

　　　 A．was not invited 　　　　　　　　　　　　　　　　　 B．have not been invited

　　　 C．hadn’t been invited 　　　　　　　　　　　　　　 D．didn’t invite

42．He kept looking at her , wondering whether he 　　　　　her somewhere .　 (04湖北) (D)

　　　 A．saw 　　　　　　　　　 B．has seen 　　　　　　 C．sees 　　　　　　　　　 D．had seen

41. --- I hear Jane has gone to the Holy Island for her holiday.

　 --- Oh, how nice! Do you know when she ______ ?　 (04湖南) (D)

　　　 A. was leaving　　　　　 B. had left　　　　　　　　 C. has left　　　　　　　　 D. left

40. Turn on the television or open a magazine and you ______ advertisements showing happy　　　 families　 (04湖南)(A)

　 　 A. will often see　　 B. often see　　　 　　 C. are often seeing　 　 D. have often seen

39. - The window is dirty.　　 - I know. It _____ for weeks.　 (04广西) (D)

　　　 A. hasn’t cleaned　 　　 B. didn’t clean　 　　　 C. wasn’t cleaned　 　　 D. hasn’t been cleaned

38. - You were out when I dropped in at your house.

　 - Oh, I　 _______ for a friend from England at the airport.　 (04福建)(A)

　　　 A．was waiting　　　　 B．had waited　　　　　 C．am waiting　　　　　 D．have waited

37. Because the shop _____, all the T-shirts are sold at half price.　 (04浙江)(C)

　 　　 A. has closed down　　　　　　　　 　　　　 B. closed down

　 　　 C. is closing down　　　　　　　　 　　　 D. had closed down

36. The discussion ____ alive when an interesting topic was brought in. 　(04浙江)(D)

　　　 A. was coming　　 　 B. had come　　　　 C. has come　　　　 　　 D. came