完形填空。 Mr Black was once a policeman. He was a 1 person. He liked to have a walk in the park after breakfast. It was very cold 2 a winter morning. Mr Black was walking along the street when he heard a 3 for help. He turned around but could see nobody. He stopped and looked here and there. At the moment, a boy 4 to him. The boy was in such a hurry 5 he couldn’t say a word except 6 towards the river. Mr Black ran to the river as soon as possible. _ 7 of them ran along the river and saw a girl in the water. She was 8 a piece of wood. It was carrying her away. It was too 9 . Without a word, Mr Black took off his clothes as 10 as he could, and jumped into the river. He 11 to the girl and tool her back near the 12 and lifted the girl up, and then the boy helped 13 her out of the water. Then they 14 a car and took the girl to the _15 . At last the girl’s life was saved, and she thanked them very much. (     )1. A. lazy (     )2. A. in (     )3. A. cry (     )4. A. ran up (     )5. A. so (     )6. A. running (     )7. A. All (     )8. A. holding (     )9. A. heavy (     )10. A. slowly (     )11. A. swam (     )12. A. bank (     )13. A. push (     )14. A. lent (     )15. A. house B. kind B. on B. noise B. looked up B. and B. pointing B. Both B. lifting B. exciting B. carefully B. ran B. village B. pull B. bought B. school C. deaf C. at C. laugh C. rushed out C. that C. driving C. Neither C. taking C. dangerous C. quickly C. rode C. park C. bring C. stopped C. hospital