55. A. it’s                                   B. that’s                C. it                           D. it was

A

In 1896 the first modem Olympic Games was held in Athens，Greece.Since then many countries have successfully held the Olympics，such as England，France， Germany，Canada，the USA，Spain and Australia. After more than a century the Games returns to its hometown.

54. A. to                              B. from                 C. of                            D. at

53. A. unhappy                    B. satisfied            C. sorry                        D. surprised

52. A. so                             B. because             C. so that                      D. until

51. A. example                     B. life                C. thoughts                   D. mind

50. A. strange                      B. daily                 C. usual                        D. often

49. A. included                    B. including           C. meant                      D. meaning

48. A. on                             B. up                    C. out                          D. off