题目内容：

    One day, Howard Kelly, a poor boy was so hungry that he decided to beg for a meal.______, when a lovely young woman opened the door, he asked for a drink of water instead. But she brought him a large glass of milk. He drank it, and then asked, “How much do I______ you?”“Nothing,” she replied. “Mother taught me never to ______ pay for a kindness.”

Years later the young woman became ______ ill and was sent to the big city for treatment. Dr. Howard Kelly was called in for the ______. When he heard the name of the town she came from, he ______went down through the hospital hall into her room. He ______ her at once. After going back to the consultation room he______ to do his best.

After a long struggle, the battle was______. Dr. Kelly requested the business office to pass the bill to him for approval. He wrote something on it. The bill was then sent to her room. She was ______ to open it because she was ______ that it would take the rest of her life to pay it ______. Finally she looked, and the note on the bill ______ her attention, which ______"Paid in ______ with a glass of milk." Tears of joy rolled down her cheek.

1.A.However B.Therefore C.Thus D.Otherwise

2.A.pay B.borrow C.lend D.owe

3.A.regard B.learn C.accept D.think

4.A.critically B.slightly C.generally D.mildly

5.A.injury B.consultation C.suggestions D.wound

6.A.patiently B.slowly C.immediately D.lively

7.A.saw B.recognized C.glared D.glanced

8.A.refused B.learned C.hesitated D.determined

9.A.won B.defeated C.settled D.gained

10.A.happy B.afraid C.anxious D.eager

11.A.optimistic B.negative C.uncertain D.positive

12.A.off B.out C.up D.in

13.A.started B.caught C.stimulated D.distracted

14.A.told B.stated C.wrote D.read

15.A.full B.half C.all D.fall