One day, a poor boy was selling goods from door to door. He had little money left and he was 1. So he decided 2 for something to eat at a house. 3, he was nervous when a lovely young woman opened the door. Instead of something to eat, he asked for some 4. The woman saw that he looked hungry, so she didn't bring water. She brought him a large glass of milk.
He drank it slowly, and then asked, "How much should I 5 you?"
"6," she answered. "I never accept (接受) any pay for kindness."
"Then I thank you from my 7," he said.
Years later, that young woman became 8 ill. She was sent to a big 9 in the city for special treatment(治疗). The doctor's name was Howard Kelly. When he heard the name of the town she came from, some strange light filled his eyes. He went to 10 room at once.
Dressed in his doctor's clothes, he went in. He recognized(认出) her at once. He made up his mind to 11 his best to save her life.
After a long time, the woman got 12 and she decided to go back home because of her good 13. Dr. Kelly took the final bill (账单) and wrote something on it and then gave it to the woman.
She was 14 to open it, because she knew it would be a lot of money, but she was so poor that she could hardly afford (支付) it. Finally she opened it, and something on the bill caught her attention. She began to 15 the following words: "You don't need to pay for it. You have paid with one glass of milk. Dr. Howard Kelly."
