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 hopele ssness 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 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 Sus an'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. dread (     )7. A. volunteered (     )8. A. when (     )9. A. drove (     )10. A. feeling (     )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 rule 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. struggled D. after D. sent D. senses D. role D. on foot D. tightly D. lonely D. took hold of D. as a consequence D. support D. who D. next D. wisdom