第三节 完型填空(共20题;每小题1分,满分20分)阅读下面短文,掌握大意,然后从21~40各题所给的四个选项(a、b、c和d)中,选出一个最佳答案, 并在答题卡上将该项涂黑。 one day, a poor boy who was trying to pay his way through school by selling goods from door to door found that he only had one dime left. he was hungry so he decided to 21 for a meal at the next house. however, he lost his nerve 22 a lovely young woman opened the door. instead of a meal he asked for a drink of water. she thought he looked 23 so she brought him a large glass of milk. he drank 24 slowly, and then asked, “how much do i 25 you?” “you don ’t owe me anything,” she 26 . “mother has taught me never to accept pay for a kindness.” hearing this, he said, “the n i thank you from the bottom of my heart.” as howard kelly left that house, he not only felt stronger 27 , but it also increased his faith in god and human race. before this point he was about to 28 and quit.