67. A) at 68. D) varies 69. A) prospect 70. B) possess 71. D) vitual
72. A) But 73. B) essential 74. C) touch 75. A) acquire 76. B) profession
77. D) only 78. A) with 79. C) encourage 80. C) interests 81. A) broaden
82. B) After 83. D) sake 84. B) make 85. A) field 86. C) meaningful
72. A) But 73. B) essential 74. C) touch 75. A) acquire 76. B) profession
77. D) only 78. A) with 79. C) encourage 80. C) interests 81. A) broaden
82. B) After 83. D) sake 84. B) make 85. A) field 86. C) meaningful