1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
E C A B D B A B A C B A B C A
21 22 23 24 25 26 27 28 29 30
B C C A B D A B C D
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
A B B C C C C C D D D D A D A
46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
B B C C A D A D A C C A B D D
61 62 63 64 65
T T F T T
16. greener 17. advice 18. instead 19. stop 20. public
66. offered 67. ought 68. influences 69. inventions 70. dealt
71. spitting 72. pollution 73. developing 74. dead 75. producers
76. been on 77. How long
78. does harm 79. if/whether had
80. Neither has 81. had asked
82. food problem 83. being hungry
