51. A. loudly B. clearly C. excitedly D. sadly
50. A. important B. necessary C. hard D. considerate
49. A. views B. actions C. feelings D. attitudes
48. A. wondered B. regretted C. minded D. tried
47. A. But B. And C. Instead D. So
46. A. think B. want C. expect D. wish
45. A. counted B. meant C. valued D. cared
44. A. unique B. quiet C. historic D. very
43. A. future B. embarrassing C. obvious D. lost
42. A. failed B. discouraged C. struck D. troubled