完形填空。 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 1 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 2 . Susan's husband Mark watched her 3 into hopelessness and he was 4 to use every possible means to help his wife. Finally, Susan felt ready to 5 to her job, but how would she get there? She used to take the bus, but she was now too. 6 to get around the city by herself. Mark 7 to ride the bus with Susan each morning and evening 8 she could manage it by herself. For two weeks, Mark 9 Susan to and from work each day. He taught her how to rely on her other 10 , specifically her hearing, to determine where she was and how to adapt to her new 11 . At last, Susan decided that she was ready to try the trip 12 . Monday morning arrived. Before she left, she hugged her husband 13 , her eyes filled with tears of gratitude (感激). She said good-bye and, for the first time, they went their 14 ways. Each day went perfectly, and a wild excitement 15 Susan. She was doing it! On Friday morning, Susan took the bus to work 16 . As she was getting off the bus, the driver said, 'Miss, I sure 17 you.' Curious, Susan asked the driver 18 . 'You know, every morning for the 19 week, a fine-looking gentleman 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 20 . That is the gift of love that can bring light where there is darkness. (     )1. A. touch (     )2. A. weakness (     )3. A. run (     )4. A. inspired (     )5. A. return (     )6. A. tired (     )7. A. volunteered (     )8. A. when (     )9. A. drove (     )10. A. feelings (     )11. A. position (     )12. A. on her own (     )13. A. politely (     )14. A. opposite (     )15. A. took charge of (     )16. A. as usual (     )17. A. respect (     )18. A. what (     )19. A. past (     )20. A. courage B. grab B. sickness B. sink B. determined B. adjust B. astonished B. attempted B. as B. directed B. organs B. environment B. in person B. calmly B. separate B. took place of B. as a role B. envy B. how B. same B. will C. count C. darkness C. jump C. honored C. contribute C. depressed C. continued C. until C. accompanied C. skills C. status C. to her benefit C. briefly C. fixed C. took advantage of C. as well C. know C. why C. first C. sight D. feel D. sadness D. step D. pleased. D. stick D. frightened D. straggled D. after D. sent D. senses D. role D. on foot D. tig htly D. lonely D. took hold D. as a consequence D. support D. who D. next D. wisdom