根据下列短文内容，在短文后的空格处填上一个恰当的词，使短文完整、通顺。

Mr. Jones liked to be comfortable, so every time he took a train, he used to put a bag on the seat    小题1: to him and pretend that it belonged to a  小题2:   who had gone to buy some cigarettes at the station.

One day, Mr. Jones did this again when the train was very crowded. When nearly all the seats were taken, an old man   小题3:  on the train. Looking at the bag, he asked, "Is this seat taken?"

"Yes." said Mr. Jones, "it belongs to a friend of mine who has gone to buy some cigarettes. He will   小题4:  back soon." Pretending to worry about his friend, he looked out of the window.

"All right," said the old man, "I'll just sit here until your friend  小题5:  , if you don't mind." Mr. Jones couldn't say anything. Just then the train  小题6: to move out of the station.

"Well," said the old man, "what a pity! Your friend  小题7:  the train, but his bag is still here."  小题8:  Mr. Jones could say anything, the old man took the bag and threw it out of the window.