完形填空。 Here is a story about a clever dog. It was a seeing eye dog which can help blind people walk along the streets and do many other things. One day a seeing eye dog and a blind man 1 on a bus together. The bus was full of 2 and there were 3 seats left. But one man soon stood up and left his seat. The dog 4 the blind man to the seat, but there was little space for two people. The dog began to push the people on each side 5 his nose. He pushed and pushed until the people moved and 6 there was 7 space for two people. The blind man then sat down and the dog got up on the seat at his side. The dog 8 down and put his head on the leg of the 9 man. He was very comfortable and soon fell asleep. Everyone on the bus 10 at the dog. (     ) 1. A. went (     ) 2. A. people (     ) 3. A. not a few (     ) 4. A. told (     ) 5. A. on (     ) 6. A. at first (     ) 7. A. no (     ) 8. A. went (     ) 9. A. old (     ) 10. A. watched B. got B. seats B. no B. carried B. to B. still B. enough B. put B. young B. smiled C. came C. children C. not many C. took C. for C. last C. few C. lay C. blind C. laughed D. took D. farmers D. some D. asked D. with D. at last D. little D. lie D. first D. looked