完型填空（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，并在答题卡上将该项涂黑。
The passengers on the bus watched with sympathy as Susan made her way carefully up the steps. She paid the driver and then, using her hands to   31    the seats, settled in one of them.
It had been a year since Susan became blind. As the result of an accident she was suddenly thrown into a world of     32   . Susan’s husband Mark watched her    33  into hopelessness and he was    34   to use every possible means to help his wife.
Finally, Susan felt ready to   35   to her job, but how would she get there? She used to take the bus, but she was now too     36   to get around the city by herself. Mark   37  to ride the bus with Susan each morning and evening    38   she could manage it by herself.
For two weeks, Mark   39   Susan to and from work each day. He taught her how to rely on her other   40    , specifically her hearing, to determine where she was and how to adapt to her new    41    .
At last, Susan decided that she was ready to try the trip   42   . Monday morning arrived. Before she left, she hugged her husband   43   , her eyes filled with tears of gratitude（感激）.She said good-bye and, for the first time, they went their    44   ways. Each day went perfectly, and a wild excitement    45   Susan. She was doing it!
On Friday morning, Susan took the bus to work   46   . As she was getting off the bus, the driver said, “Miss, I sure   47  you.” Curious, Susan asked the driver   48    .
“You know ,every morning for the __49_week,a fine-looking gentleman in a military uniform has been standing across the corner watching you until you enter your office building safely,” the bus driver said.
Tears of happiness poured down Susan’s cheeks. She was so lucky for he had given her a gift more powerful than_50_,That is the gift of love that can bring light where there is darkness.
31.A. touch            B.grab          C.count             D.feel
32.A.weakness         B. sickness       C.darkness         D.sadness
33.A.run              B.sink           C.jump             D.step
34.A.inspired          B.determined     C.honored           D.pleased
35.A.return            B.adjust          C.contribute         D.stick
36.A.dred             B.astonished     C.depressed         D.frightened
37.A.volunteered       B.attempted       C.continued         D.struggled
38.A.when            B.as             C.until             D.after
39.A.drove            B.direted         C.accompanied      D.sent
40.A.feeling          B.organs         C.skills             D.senses
41.A.position          B.environment    C.status            D.role
42.A.on her own       B.in person        C.to her benefit      D.on foot
43.A.politely          B.calmly          C.briefly          D.tightly
44.A.opposite         B.separate         C.fixed             D.lonely
45.A.took charge of                      B.took place of
C.took advantage of                    D.took hold of
46.A.as usual                           B.as a rule
C.as well                            D.as a consequence
47.A.respect       B.evry               C.know         D.support
48.A.what         B.how               C. who          D.who
49.A.past         B.same               C.first          D.next
50.A.courage      B.will                C.sight         D.wisdom