55. It was not until the subprime loan crisis(次贷危机) had caused great damage to the American

　financial system _______ Americans realized the severity of the situation.

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

54. Japan says its prime minister promised to provide the world with "maximum transparency"

about ____ accident at the Fukushima nuclear power plant during _____ telephone call.　

A. the; a　 　　　　　　　 B. the; the　　 　　　　 C. an; the　 　　　　　　　 D. an; a

53. Only if you sleep, which is equal to turning the TV set off, ______ kept away from the

unending cry of “You Need It! Buy It Now!”

A. will be　 　　　　　　　　 B. ought you to be　 C. you will be　 　　　 D. can you be

52. The company promised to pay some money for the customers ________ their shoddy(伪劣

的)goods and ______ an apology in public.

A. purchasing; making　　　　　 　 　　　　 B. purchasing; make

C. purchased; to make　 　　　　　 　　D. to purchase; made

51. After ten years of hard work, the Browns ______ all their debts.

　 A. satisfied　　 　　　　 B. met　 　　　　　　　　　 C. paid　　 　　　　　　　 D. took

50. — I’ll thank you______ my affairs alone.　　 — I will. It’s none of my business.

A. for leaving　 　　　　 B. not to leave　 　 C. for having left 　　 D. to leave

49. Follow the local guide and you will surely make it to ________ you are trying to reach.

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

48. Eighteen is usually seen as a mature age and thus we should have a good _______ on the problems facing today’s youth.

A. trend　　　 　　　　 B. origin　　　 　　　　 C. rank　　　 　　　　 D. handle

47. “Even if Sun Yang failed to kill passers-by in his car, he ______ be fined and put into prison for 2 weeks according to the law.” the judge said.

　A. will　 　　　　　　　 　　　　 B. should 　　　　 　　 C. shall 　　　　　　 　　　　 D. may

46. — Hannah loves his new dog, doesn’t he?

　 — Yes, he ______ it out for a walk every day since he picked it up.

A. has been taking　　 B. has taken　 　　　 C. takes　　　 　　　 D. took