51. A. tell B. guess C. design D. express
50. A. pleasure B. surprise C. pride D. satisfaction
49. A. much B. a little C. nothing D. empty
48. A waved B. shook C. bowed D. patted
47. A. unbelievable B. true C. thought D. a pity
46. A. surprised B. friendly C. puzzled D. touched
45. A. whether B. something C. when D. what
44. A. pronunciation B. meaning C. form D. spelling
43. A. that B. about C. of D. to
42. A. speak B. answer C. say D. explain