43. The ship ＂Titanic＂was _____ when it hit into an iceberg.(A) wounded (B) sunk (C) wrecked (D) failed

42. The explorer got a disease in blood for the _____ of fresh vegetables and fruit.

(A) sake　　　　　 (B) lack　　　　 (C) ignorance　　　 (D) knack

41. Many neighbours _______ that they couldn't stand the noise of the machines on the construction sits.

(A) complained　　 (B) informed　　 (C) described　　　 (D) expressed

40. In the Olympic Games, swimming is ______ second ______ importance only to track and field events.

(A) the…to　 (B) /…to　　 (C) the…in　　　 (D)/…in

39. He said that he had nothing _______.

(A) to feed his birds　　　 (B) to feed his birds with (C) to feed his birds on　　 (D) feeding on his birds

38. The careless driver is ______ for the traffic accident ______ yesterday.

(A) to blame. .happened　　 (B) to blame…happening(C) to be blamed…happened　 (D) to be blamed…happening

37. I think there are only a few sports that are both ____ and ______.

(A) entertaining…relaxed　 (B) entertaining…relaxing(C) entertained…relaxed　　 (D) entertained…relaxing

36. ______ you work more efficiently are you able to catch up with others in the class.

(A) Only when　　　　　　 　　(B) Long before　 (C) Unless　　　　　　　　　 (D) Until

35. ____ it rains tomorrow? I think we'd better take umbrellas.(A) In case (B) If only (C) How come (D) What if

34. Mary is a top student in the class. You cannot speak ___highly of her.(A) very　 (B) well (C) much　 (D) too