It was getting dark and snow was coming down. Joe was driving home. He'd been unemployed since the factory (1) . Most of his friends had left,but he stayed on. （2） ,he was born here.
　　Suddenly he saw a lady standing on the side of the road and （3） . She was worried. No one had stopped to （4） for the last hour. Joe knew （5） she felt and said,“My name is Joe and I'm here to help you.”All she had was a flat tyre, （6） for an old lady, that was bad enough. Joe changed the （7） ,but he got dirty and his hands hurt. She wanted to pay Joe and said any （8） would have been all right. Joe never thought twice about the money and there were many people who had （9） him a hand in the past.He had lived his life that way. He told her that if she really wanted to pay him （10） ,the next time if she saw someone who needed help, she could give that person the assistance that he （11） ,
　　Later the lady went in a （12） decorated restaurant to eat in a hurry. The cashier was like the telephone of an out-of-work actor—it didn't （13） much. However, the waitress,who was nearly eight months pregnant(怀孕的),brought a clean towel to her with a （14） smile. The old lady （15） Joe.After the waitress brought the change from a 100-dollar bill,she found the lady （16）and something written on a napkin,“ （17） once helped me out,the way I'm helping you. （18） you really want to pay him back,don't let the chain of love （19） with you.”
　　That （20） the waitress gave her sleeping husband a soft kiss and whispered,“Everything's going to be all right,Joe.”