19、Jack lost his Job last week. It was difficult for him to find another _ _ _ 21 _ _ _ . Somebody told him that it was possible to get a new one in a town two hundred kilometers away. He decided to get there _ _ _ 22 _ _ _ . So he went to the railway station and got on a train. He was the only one in the car(车厢). The train started. Suddenly a man came in _ _ _ 23 _ _ _ a gun and said to him, "Your money or your life!" Jack sat there without standing up.
"I _ _ _ 24 _ _ _ any money," Jack answered.
"Then why are you so afraid of me?" the man asked angrily.
"Because I _ _ _ 25 _ _ _ you were the conductor, and I didn't buy a ticket," answered Jack.