第三部分：完形填空
阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。
It was almost Christmas. We wrote to my father, asking him to  36  an artificial tree for us and   _37  it to us in several smaller boxes. Two days before Christmas we were in a  38  . All of the boxes that my father had sent us arrived except for the one with the tree  39 . We decided to wait one more day.
Meanwhile, in Bremerhaven, a young mail clerk  40  a box under a counter. He  41  that someone would be without a tree for Christmas. Although he was closing up and there was no  42_  on Christmas, he processed the mail and got it to Mannheim.
After putting the  43  on the proper shelf, he headed to the snack bar. The place was  44   and he ended up sharing a table. Two men were speaking and the clerk discovered that one of his  45  at the table was working in Mannheim. He said to the man, "You could  46  play Santa for someone in Mannheim tonight if you'd like to." The man  47  to deliver it and the two walked to the mail room to  48  the package.
At home in Mannheim, we were busily  49  to think up some way to put our tree together, but couldn't  50  a workable solution. We were ready to give up  51  the door bell rang. There stood a stranger holding a long  52  carton, our tree trunk. We invited him in,  53  it was Christmas Eve and he was  54  to get home to his own family.
The next day as we watched our little boy's eyes light up at the  55  of our beautiful tree, I whispered a little prayer: "Bless the stranger who brightened up our Christmas with his kindness."
36. A. sell             B. buy              C. deliver                 D. bring
37. A. send            B. pass               C. carry                 D. take
38. A. surprise          B. hunger             C. pleasure              D. panic
39. A. leaf            B. trunk              C. stand                D. branch
40. A. watched        B. caught             C. spotted               D. broke
41. A. directed         B. whispered           C. realized                 D. confirmed
42. A. delivery         B. customer          C. money                 D. letter
43. A. present        B. tree              C. mail                   D. package
44. A. crowded         B. small             C. noisy                  D. normal
45. A. friends          B. colleagues           C. relatives               D. companions
46. A. really           B. confidently         C. kindly                 D. patiently
47. A. overcame       B. agreed              C. astonished            D. struggled
48. A. fetch           B. transform           C. post                       D. consult
49. A. solving          B. explaining          C. trying                 D. worrying
50. A. come across      B. come back to        C. come upon             D. come up with
51. A. while             B. when              C. as                        D. since
52. A. slim            B. beautiful           C. thick                 D. heavy
53. A. but               B. so                  C. because                D. or
54. A. in surprise       B. it, the, way         C. in a hurt7              D. in lime
55. A. sight            B. back             C. corner                  D. scene