A)resistant C)insistent B)persistent D)consistent 78.A)consumer C)retailers B)businessmen D)manufacturers 79.A)casual C)serious B)critical D)favorable 80.A)However C)Moreover B)Otherwise D)Nevertheless 81. A) lifting C) raising B) enhancing D) cultivating 82. A) readily C) cautiously B) rarely D) currently 83. A) step C) band B) speed D) volume 84. A) extent C) scope B) amount D) range 85. A) facilities C) reflections B) capacities D) intensions 86. A) turn C) detail B) total D) depth