阅读下面材料,在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
注意:答案必须写在答题卡相应的横线上。
One morning, I was waiting at the bus stop, worried about ____ (be) late for school. There were many people waiting at the bus stop, ____ some of them looked very anxious and ____(disappoint). When the bus finally came, we all hurried on board. I got a place next ____ the window, so I had a good view of the sidewalk. A boy on a bike ____ (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 ____(stop) until we reached the next stop. Still, the boy kept ____(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,“____ anyone lose a suitcase at the last stop?” A woman on the bus shouted, “Oh, dear! It's ____ (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 ____(sudden) became friendly to one another.