1. B??2. A??3. A??4. D??5. C??6. D??7. C??8. D??9. B??10. D
11. C?12. D?13. B?14. B?15. A?16. C?17. B?18. A?19. C?20. A
21. C?22. B?23. A?24. C?25. D?26. C?27. D?28. B?29. D?30. A
31. C?32. B?33. A?34. B?35. D?36. D?37. B?38. C?39. A?40. A
41. C?42. A?43. B?44. C?45. C?46. D?47. B?48. D?49. C?50. D
51. B?52. D?53. B?54. A?55. B?56. C?57. D?58. B?59. C?60. D
61. A?62. A?63. C?64. D?65. A?66. A?67. B?68. C?69. A?70. D
71. (fact) ? the (fact)?72. more ? fewer/less
73. rest ? rests / depends / relies?74. part ? full
75. its ? their?76. because ? as
77. different ? same?78. On ? In
79. men ? women?80. relative ? relatively/comparatively