完形填空（共15小题；每小题1分，满分15分）

　　阅读下列短文，从短文后各题所给的A、B、C、D四个选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。

　　A man was walking one day through a large city. On a street corner he saw a boy with a number of small birds for   31    , in a cage (笼子).

　　He looked  32  upon the little birds flying about the cage, beating the wires (金属丝)with their wings, and trying to get  33  .

　　He stood for some time looking at the birds.  34  he said to the boy, "How much do you ask for your birds?"

　　“Fifty cents a piece, sir," said the boy. “I do not  35  how much a piece," said the man, “but how much for all of them? I want to   36  them all."he boy began to  37  , and found they came to five dollars. ”Here is your  38  ," said the man. The boy took it, well pleased with his morning's  39  .

　　As soon as the bargain (交易) was done, the man  40  the cage door, and let all the birds fly away.

　　The boy, in great  41  , cried, "What did you do that for, sir? You have  42  all your birds."

　　"I will tell you  43  I did it," said the man. "I was  44  three years in a French prison(监狱), as a prisoner of war, and I've decided  45  to see anything in prison which I can make free.”

　　31. A. visit              B. sale             C. pleasure              D. treatment

　　32. A. sadly              B. happily          C. coldly              D. kindly

　　33. A. on              B. off              C. up                  D. out

　　34. A. At last                          B. Now and then

　　C. Just now                          D. At the same time

　　35. A. learn              B. understand      C. mean              D. hear

　　36. A. feed              B. eat              C. catch              D. buy

　　37. A. read              B. count          C. remember          D. help

　　38. A. money          B. bird              C. cage                  D. wire

　　39. A. exercise          B. lesson          C. trade              D. show

　　40. A. closed             B. opened          C. knocked at          D. broke into

　　41. A. danger          B. hope          C. surprise              D. excitement

　　42. A. lost              B. killed          C. sold                  D. kept

　　43. A. how              B. why             C. when              D. where

　　44. A. looked after      B. hidden away      C. shut up              D. shown around

　　45. A. always          B. seldom          C. sometimes          D never