76. The local officials admitted that it was time for the whole city to take specific action to control the quantity of the private vehicles so as to relieve the traffic burden during the rush hours.当地官员承认是时候全市采取行动控制私车数量，以缓解高峰时期的交通压力。
77. He hurried to the railway station out of breath, only to be told that the train leaving for Shanghai had been away for half an hours. 他上气不接下气地赶到了火车站，不料却被告知开往上海的火车已经离开半小时了。
78. While the class teacher put emphasis on the importance of doing homework independently his students still spent most of the time copying others's homework.班主任强调了独立完成作业的重要性，但学生们仍然抄作业。
79. After a thorough inspection, the repairman gave me a disappointing report that the reason why my car broke down was that the pipe had been damaged because of the freeing weather.在彻底检查后，修理工给了我一份失望的报告，说车子坏了的原因是由于天太冷管子受损。
80. What was it that you talked about with the girl in blue when you were crossing the street yesterday afternoon?昨天下午你在过马路时和那个蓝衣女孩在讨论什么啊？
