阅读下面短文，从每小题所给的四个选项中，选出一个最佳选项。

　　Once there was a very helpful and kind-hearted man. He would help anyone __ 36     expecting anything in return.

　　One day while walking along a dusty road, the man saw a wallet, so he __ 37   the wallet. But then he found it was __ 38  . Suddenly a woman and a policeman turned up and caught him.

　　The woman kept on asking where her __ 39   was, but the man answered, "It was empty  40  I found it." The woman shouted at him, "Please give it back to me, and it's my son's tuition(学费)" The man saw that the woman really felt  41   so he handed over all his money. He could see that the woman was a single mother. The woman left and the policeman asked the man more __ 42  .

　　One day while the woman was going to her son’s school, she noticed that __ 43   was walking behind her. She thought that he __ 44    rob(抢劫) her, so she walked to a policeman. He was the same policeman that she had taken along to claim her money. The woman told him about the man following her. They ran to him, and saw that he was the same man that they had caught __ 45   days ago.

　　He looked very weak and the woman was __ 46  . The policeman said to the woman, "He wasn't the thief that day, but having heard about your situation he __ 47   you his money.”

　　Then the man told the woman, “Please go ahead and __ 48   your son’s tuition. I saw you and followed you to make sure that no one would steal your money again." The woman was too moved to say __ 49   .   

　　Life may give you a strange experience: sometimes it shocks you __ 50   sometimes it may also surprise you. Be kind and generous. Learn to appreciate what you are given.

　　36. A. by                B. without            C. for            D. with

　　37. A. threw away        B. put down            C. looked for        D. picked up

　　38. A. empty            B. dirty                C. heavy            D. cheap

　　39. A. bag            B. son                C. money            D. home

　　40. A. before            B. when                C. until            D. unless

　　41. A. poor            B. serious            C. dangerous        D.sad

　　42. A. questions        B. advice                C. reasons        D. examples

　　43. A. everyone        B. anyone            C. someone        D. no one

　　44. A. should            B. can’t                C. mustn’t        D. might

　　45. A. little            B. a few                C. a little            D. few

　　46. A. happy            B. excited            C. surprised        D. successful

　　47. A. set                B. gave                C. kept            D. filled

　　48. A. pay            B. borrow            C. spend            D. take

　　49. A. anything        B. everything            C. something        D. nothing

　　50. A. for                B. so                C. and            D. or