50. A. nailed                 B. burnt                C. removed            D. took

49. A. Except for          B. Along with        C. Rather than        D. As for

48. A. replacing            B. finding              C. wearing          D. changing

47. A. Unless                B. As long as         C. Until                 D. Even though

46. A. cut                            B. swept                C. pulled               D. broken

45. A. cases                  B. clothes                     C. glasses              D. wishes

44. A. which                 B. what                 C. where               D. when

43. A. disappointed        B. pleased              C. nonstop          D. quick

42. A. charged                     B. spent                 C. paid                  D. cost

41. A. mentally             B. physically          C. anxiously          D. directly