It was Sunday .The train was crowded. A gentleman was trying to look for a place. In one of the cars he saw a vacant seat. But a small suitcase was lying on it and a young man was sitting next to it . 'Is this seat taken ?' asked the gentleman . 'Yes ,it’s my friend’s .' answered the young man .'He’s just coming ---this is his suitcase.' 'Well.' said the gentleman , ' I’ll sit here till he comes. ' Five minutes later the train started ,but nobody came . 'Your friend is late . 'said the gentleman .'He has missed his train, but he need not lose his suitcase.' And with these words he took the suitcase and threw it out of the window . The young man got up and tried to catch the suitcase ,but it was too late .It was a good lesson to him .---'It’s impolite to take a second seat just for being more comfortable for oneself .' 小题1:The gentleman was looking for a ______ A. seat  B. suitcase  C. friend 小题2:' A vacant seat' is a seat that ______ A. somebody sits on  B. there’s something on  C. nobody sits on 小题3:In fact ,the suitcase belonged to be______. A. young man  B. gentleman  C. young man’s friend 小题4:We know from the story that the young man ______ A. was friendly and helpful  B. was not honest  C. told the truth 小题5:We can guess that the young man must feel very______ in the end . A. happy  B. excited  C. upset .