54. A. light                      B. radio                    C. heater                   D. heart

53. A. heard                     B. watched                C. celebrated             D. cheered

52. A. over                      B. back                     C. up                        D. straight

51. A. yet                        B. really                   C. only                     D. ever

50. A. agreement              B. surprise                C. anger                    D. excitement

49. A. delayed                  B. checked                C. prepared              D. cancelled

48. A. decide                    B. forgive                 C. regret                   D. begin

47. A. advice                    B. announcement       C. advertisement        D. apology

46. A. on                         B. with                     C. from                    D. by