57. The mistake on the stamps was made ________.
A .in Mauritius B. at Mauritius Government House
C. in a post office D. in London
56. Over a century ago, Mauritius ________.
A. was an independent country B. belonged to India
C. was one of the British colonies D. was a small island in the Pacific Ocean
54. A. felt B. realized C. enjoyed D. told
53. A. forgot B. recognized C. considered D. regretted
52. A. ugly B. lasting (持久的) C. serious D. frightening
51. A left B. crying C. wiped D. burned
50. A. surely B. hopefully C. luckily D. unluckily
49. A. out of control B. under control C. in control D. over control
48. A. so B. much C. quite D. too