I. 31. B 32. D 33. A 34. B 35. C 36. A 37. C 38. B 39. C 40. D
41. B 42. D 43. C 44. D 45. A 46. B 47. A 48. B 49. A 50. C
III. 51. G 52. H 53. I 54. F 55. D 56. E 57. B 58. C
IV. 59. third 60. careful 61. building 62. themselves
63. mainly 64. natural 65. truth 66. scientist
V. 67. doesn't have 68. How soon 69. didn't he 70. be done
71. anymore/longer 72. if/whether had 73. Instead of
VI. 74. D 75. C 76. B 77. A 78. D 79. A
80. B 81. D 82. C 83. B 84. A 85. C
86. walked 87. almost 88. stupid 89. nothing 90. side/small 91. luck 92. pleased
93. Because he lost his memory. / To ask for help.
94. They felt surprised.
95. He could make sentences without difficulty.
96. A friend of his.
97. In a perfect flat in downtown Manhattan.
98. He had to meet his family and friends. /He had to continue his four - year course in photography. (Any reasonable answer is acceptable. )