题目

完形填空 The other day I was offered two tickets to a special preview of the latest movie for free. I wasn't interested1 I knew my two boys would be.That evening, we were a bit 2 for time. So instead of having dinner at home, we had fast food near the movie theater Oscar. There went the3 of eight movie tickets. Then I met up with a friend and we sat around 4for a while , and another movie ticket went into a cup of coffee, After that, we figured we might as well 5around until the movie ended to pick up the boys. To help6 the time, I bought snacks. However, the7 went for an hour longer than 我市某校八年级的数学竞赛小组进行了一次数学测验，如图是反映这次测验情况的频率分布直方图．那么该小组共有________ 人；80.5～90.5这一分数段的频率是________ ．