题目内容：

阅读下面短文，在标有序号的空白处填入一个适当的词，或填入括号中单词的正确形式。

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, some of 2. 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 to stop 6. 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 to the door of the bus. I heard an excited conversation. Then the driver stood up and asked, “Did anyone lose a suitcase at the last stop?” A woman on the bus shouted, “Oh dear! It’s 8. (I).” She pushed her way to the driver and took the suitcase 9. (thank). Everyone on the bus began talking about 10. the boy had done, and the crowd of strangers suddenly became friendly to one another.