题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

One morning, I was waiting at the bus stop, worried about __1. (be) late for school. There were many people waiting at the bus stop, __2._ some of them looked very anxious and __3.__ (disappoint). When the bus finally came, we all hurried on board. I got a place next __4._ the window, so I had a good view of the sidewalk. A boy on a bike __5.__ (catch) my attention. He was riding beside the bus and waving his arms. I heard a passenger behind me shouting to the driver, but he refused __6._ (stop) until we reached the next stop. Still, the boy kept __7.__ (ride). He was carrying something over his shoulder and shouting. Finally, when we came to the next stop, the boy ran up the door of the bus. I heard an excited conversation. Then the driver stood up and asked, “__8.__ anyone lose a suitcase at the last stop?” A woman on the bus shouted, “Oh, dear! It’ s _9.__ (I)”. She pushed her way to the driver and took the suitcase thankfully. Five others on the bus began talking about what the boy had done and the crowd of strangers _10._ (sudden) became friendly to one another.