49. A. away                 B. over                    C. through

48. A. Closer and closer       B. Quicker and quicker       C. Sooner and sooner

47. A. foot                  B. middle                  C. top

46. A. fell down             B. fell asleep                C. felt sick

45. A. excited               B. tired                    C. angry

44. A. must                 B. will                     C. can