完形填空。 I don't often lose things and I'm especially careful with money. So I was quite 1 when I 2 for my wallet and it wasn't there. 3 I thought it was 4 that I could have 5 it at home. Then I remembered taking it out to 6 the taxi. So I knew I had it with me just before I walked into the 7 . I wondered if it was possible that it could have slipped (滑) out of my pocket while I was eating dinner. Thinking about that possibility, I 8 and walked back to the table where I had been sitting. I asked the waiter to go around the table to see if my wallet was on the 9 . While the waiter was looking for it, the manager of the restaurant came up to me and asked me if 10 was 11 . I didn't want to get lots of people involved (卷入) in the 12 , but I knew I had to get the wallet back. I told the 13 what had happened. He 14 me to describe (描绘) the wallet to him and then he insisted I 15 the missing wallet to the police. But I didn't want the police to involve in it; 16 , I was in a hurry 17 I had an appointment (约会) with my doctor in just a few minutes. I explained to him that my great 18 at the moment was how I could pay the bill. He told me not to worry about that. He had me put 19 my name and 20 , and he said he would send me a bill. (     )1. A. sad (     )2. A. reached (     )3. A. First (     )4. A. natural (     )5. A. forgot (     )6. A. pay (     )7. A. bank (     )8. A. turned around (     )9. A. taxi (     )10. A. it (     )11. A. wrong (     )12. A. incident (     )13. A. taxi driver (     )14. A. suggested (     )15. A. report (     )16. A. except (     )17. A. because (     )18. A. interest (     )19. A. out (     )20. A. car number B. angry B. went B. At first B. certain B. left B. pay for B. taxi B. turned back B. pocket B. what B. unfair B. accident B. policeman B. hoped B. tell B. besides B. before B. worry B. off B. phone number C. surprised C. asked C. First of all C. impossible C. remained C. spend on C. dinning-room C. returned C. floor C. something C. missing C. problem C. waiter C. asked C. give C. however C. until C. disappointment C. away C. address D. calm D. hoped D. Above all D. possible D. put D. use for D. restaurant D. returned back D. table D. anything D. lost D. question D. manager D. let D. hand in D. and D. so that D. anger D. down D. house