题目

61. How much did he charge you ____________ repairing the bike? 62. He was permitted ____________ (ask) a day off. 63. He hurried to school, leaving the meal ____________ (touch). 64. Buses ____________ (number) 1 to 100 are limited to travel within the city centre. 65. When he came back, he found the bag he had left ____________ (hang) over the seat was gone. 66. The city is not ____________ it used to be. 67. His father commanded that he ____________ (stay) at home to study this afternoon. 68. Could you do me ____________ favor to finish the task? 69. Greetings in Asian countries do no七（1）班的数学课外活动兴趣小组研究的是某公路入口的汽车流量问题．某天上午，他们在该入口处，每隔相等的时间，对10分钟内通过的汽车的数量作了一次统计，得到如下数据：98，100，112，106，97，99，104，104，115，95．（1）求平均每10分钟通过汽车多少辆？（2）试估计：这天上午该入口平均每小时通过多少辆汽车？