45. A. settle B. put C. take D. let46. A. work B. story C. luck D. joy47. A. However B. Therefore C. As for him D. Except for that48. A. time B. excuse C. way D. idea49. A. give up B. continue C. hand in D. delay50. A. written B. graded C. collected D. signed51. A. loud B. fast C. publicly D. calmly52. A. People B. Nobody C. Somebody D. I53. A. shock B. wonder C. worry D. pleasure54. A. if B. for C. while D. although55. A. excited B. satisfied C. think D. laugh