78. He missed the bus as a r__________ of getting up too late this morning.

77. A good command (运用能力；掌握) of English e__________ you to communicate with foreign businessmen freely.

76. You can’t turn your dream into r__________ if you just sit there and watch TV all day.

60. A. challenging　　　 B. different　　　　　　 C. dangerous　　　　　　 　 D. strange

59. A. worthless　 　 　　B. thoughtless　 　　 C. hopeless　　　　 　 D. helpless

58. A. At　　　　　　　 　 B. During　　　　　 C. On　　　　　　　 　 D. With