66.A. discovered B. covered C. recovered D. hidden
67.A. when B. where C. which D. what
68.A. recent B. popular C. former D. attractive
69.A. regarded B. accepted C. treated D. identified
70.A. with B. upon C. like D. as
71.A. admit B. prove C. confess D. exhibit
72.A. Therefore B. However C. Or D. And
73.A. evidence B. suspect C. opinion D. doubt
74.A. guilty B. sorry C. ashamed D. miserable
75.A. objected B. led C. caused D. promoted