51. A. difficulties 52 A. characters 53. A. shipped 54. A. caused 55. A. listened 56. A. gossiped B. enriches B. problems B. hitchhiked B. promised B. burgled B. rumoured DII1 C. classes C. retreats C. traced C. kissed C. robbed C. remembered D. enlarges D. universities D. repainted D. discussed D. chatted D. threatened
