完形填空（共20小题；每小题1．5分，满分30分）
阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
It was half an hour before midnight on December 24th last year. I was a ticket-counter supervisor（主管）for a major airline and was looking forward to the   36   of my shift （轮班）at Stapleton International Airport in Denver. My wife was waiting up for me at home so that we could   37   our gifts for Christmas.
Just then, a very   38    gentleman went up to me.  He asked how he could get to Cheyenne, Wyoming. He had just arrived from Philadelphia and   39   his connecting flight. I pointed him to the ground transportation area, where he could rent a   40  . And then I called my wife to let her know I would be home   41  .
About fifteen minutes later, the gentleman   42   and informed me that all the buses were full and there were no cars   43  . I told him that he had to stay for a night at the airport. Hearing that, he burst into   44  .
I tried to make him calm down. He explained that his name was Tom, and that his only son was   45   ill at home and was not expected to   46   another year. He expected that this would likely be the   47   Christmas with his son.
I told Tom to   48   his luggage and wait for me at the gate. I was driving to Cheyenne. I called my wife Kathy, telling her about it and not to wait up for me. I drove fast   49   and we arrived in Cheyenne around 2:30 a. m.
Kathy was still   50   me when I got home in the early morning. We traded gifts and then our conversation   51   Tom. For Kathy and me, there was no   52   that driving Tom to Cheyenne was the   53   choice.
A couple of days later, I   54   a Christmas card with a picture of Tom and his family. In it, Tom thanked me for the special   55   he had received that holiday season, but I knew the best gift was mine.

A．end B．turn C．role D．change

A．expect B．get C．exchange D．make

A．kind B．helpless C．sad D．worried

A．mistook B．missed C．caught D．continued

A．bus B．flight C．room D．car

A．soon B．late C．early D．lately

A．left B．moved C．came D．returned

A．reliable B．present C．available D．acceptable

A．laughter B．tears C．anger D．sorrow

A．really B．slightly C．seriously D．unluckily

A．suffer B．live C．share D．grow

A．last B．best C．happiest D．hardest

A．hand B．find C．pack D．collect

A．for a while B．all around C．all the way D．from time to time

A．waiting for B．caring for C．thinking of D．depending on

A．remembered B．recalled C．concerned D．contained

A．idea B．doubt C．point D．problem

A．main B．only C．nice D．great

A．received B．sent C．saved D．discovered

A．drive B．help C．deal D．gift