完型填空
One day, a poor boy who was 1 to pay his way through school by sending newspapers door to door, was so 2 that he decided to beg for a meal at the next house．
However, he lost his nerve(神經)when a lovely young woman opened the door． 3 a meal he asked for a drink of water．She thought he looked hungry so she 4 him a large glass of milk．He drank it slowly, and then 5 “how much do I own you?”
“You don't own me anything,” she replied．“Then I thank you from the bottom of my heart．”
6 these words, Howard Kelly left that house．
Years later the woman became 7 ill and as finally sent to the hospital in a big city．Dr．Howard Kelly, now famous, was called in．When he heard the name of the town she came from, a strange light filled his eyes． 8 in his doctor's clothes, Dr．Kelly went into her room and regonized her at once．From that day on, he paid special 9 to her, and decided to do 10 best to save her life．
At last the woman was saved．Dr．Kelly asked the business office to pass the final bill to him．He looked at it and then wrote 11 on the side．The bill was sent to her room．She was 12 to open it because she was sure that it would take the rest of her life to pay for it off．Finally she looked, and the note on the side of the bill caught her attention．She 13 these words：
“Paid in full with a glass of 14 , Dr．Howard Kelly．”
15 of joy flooded her eyes．
