完形填空。 I arrived in London on a foggy day to go to a very important meeting. The place where the meeting was going to be 1 was on the other side of the town. All traffic came to 2 because the drivers were not able to see more than a yard in front of them. The meeting would begin at nine o'clock, so I decided to go there 3 . Minutes later, I was completely 4 . I stood there, saying unpleasant things about the fog, and thinking that I 5 to phone to the meeting to explain that was not able to arrive there on time. Then I heard a young man's voice coming out of the fog, 'I suppose you are lost. Can help you?' I was very glad to have a man who 6 take me to the meeting. Afterward I 7 him where I wanted to go, took him by the arm, and we started. We walked quite fast, turning 8 and crossing roads in some places. 9 I followed him through the dark street, I wondered why he found his way easily. 'I know this part of London quite well,' he said, 'But in such a fog it's impossible to see anything,' I said. 'I am 10 , sir.' He answered. 'In the fog it is exactly the same for me as usual.' (     )1.  A. happened (     )2. A. an end (     )3. A. by taxi (     )4. A. tried (     )5. A. used (     )6. A. dared (     )7. A. explained (     )8. A. points (     )9. A. As (     )10. A. wise B. taken place B. a stop B. by bus B. worried B. 1ed B. might B. told B. signs B. After B. deaf C. held C. a station C. on foot C. 1ost C. had better C. should C. asked C. comers C. Because C. farsighted D. had D. a crowd D. by car D. surprised D. would have D. could D. wanted D. 1ights D. If D. blind