完形填空。 A little boy knocked on the door of the old house. He waited, and sweated from 1 of seeing the owner, who 2 ever came out. As he was ready to 3 , the door slowly opened. 'What do you want?' the old man asked. 'Uh, sir, I'm 4 magazines for school and I was 5 if you would like to buy 6 .' The old man onl y 7 at the boy. Meanwhile, the boy saw many dog figurines(小雕像) inside the house. 'Do you 8 dogs?' he asked. 'Yes, I have many dog figurines in my house; they are all I have.' The boy then felt sorry for the man, as it seemed he was very 9 . 'Well, I do have a magazine here for collectors. It is 10 for you. I also have one about dogs since you…' The old man started to close the door, saying 11 , 'No, boy. I don't need any magazines of any kind. Now goodbye.' The boy was 12 for the old man being so lonely. He went home and then had an 13 . He had a little dog figurine which didn't 14 much to him since he had a real live dog and a large family. The boy headed 15 . He knocked on the door again and this time the old man came right to the door. 'Boy, I thought I told you no 16 .' 'No, sir. I wa nt to bring you a 17 .' The boy 18 him the figurine and the old man's face 19 . ' Boy, you have a big heart. 20 are you doing this?' 'I think it means more to you.' From that day on, the old man started coming out and talking with neighbors. (     )1. A. excitement (     )2. A. hardly (     )3. A. knock on (     )4. A. selling (     )5. A. wandering (     )6. A. it (     )7. A. laughed (     )8. A. keep (     )9. A. busy (     )10. A. clear (     )11. A. easily (     )12. A. sad (     )13. A. opinion (     )14. A. mean (     )15. A. off (     )16. A. noises (     )17. A. book (     )18. A. handed (     )19. A. went pale (     )20. A. How B. fear B. frequently B. break in B. collecting B. wondering B. that B. pointed B. hate B. delighted B. safe B. coldly B. anxious B. idea B. worth B. back B. interruptions B. doll B. lent B. turned dark B. When C. embarrassment C. hurriedly C. cut off C. raising C. proving C. one C. reached C. kill C. lonely C. suitable C. comfortably C. eager C. mind C. talk C. away C. dogs C. gift C. attracted C. lit up C. Where D. happiness D. readily D. walk away D. designing D. hoping D. them D. looked D. collect D. disappointed D. boring D. nervously D. respectable D. thought D. use D. outside D. magazines D. help D. pleased D.calmed own D. Why