53.A.pity                      B. happy               C. curious              D. eager

52.A.out                       B. over                  C. for                    D. on

51.A.preparation           B. pleasure            C. satisfaction        C. wonder

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