56. A. Heard B. To hear C. Hearing D. Listening
55. A. encouraged B. frightened C. please D. surprised
54. A. this B. so C. anything D. me a favour
53. A. not talk B. to not talk C. not to talk D. not talking
52. A. glad B. satisfied C. proud D. familiar
51. A. as B. to C. with D. like
50. A. losing B. lose C. lost D. losed
49. A. it B. them C. anything D. something
48. A. gone B. visited C. seen D. been
47. A. On B. In C. All D. By