完形填空。 When I was young, my parents ran a snack bar in our small town. One evening in early April, my mother told me to fill in at the snack bar 1 a worker who had the flu. I told her I would mess it up, 2 I had never worked at the bar before. I 3 that instead of making money, I would end up owing it. 'You can do it,' said my mother, ' 4 , you won't get much business until lunch.' 'But I'll never remember the orders, and I'm no good 5 money. Please, Mom, don't 6 me. 'Then I'll help you,' she said. I shrugged my shoulders. I thought my mother's 7 was a bad one, but I 8 . When I got to the bar the next day, I found my mother was 9 . Because the weather that day was rainy and cold, people wanted hot snacks and drinks. 10 , I was really slow at taking the orders and making change. The line of people grew, and everybody seemed 11 , I was so nervous that my hands shook, and I 12 a cup into pieces. What a mess! Then my mother came to 13 me, and she also showed me how to make 14 . If someone gave me $ 5 for something that cost $ 3.25, I handed over 15 quarters and a dollar and said, '75 cents makes four dollars, plus one dollar makes five.' Things went more 16 after that. By the end of the day, I could remember orders, 17 the bill, and make change quickly with a smile. I was even a little 18 when the sun came out and dried up business. My mother said she was proud of me, and when she 19 that I work at the snack bar again next year, I did not even shrug. I was too busy 20 the restaurant I would open one day. (     )1. A. to (     )2. A. because (     )3. A. promised (     )4. A. Therefore (     )5. A. of (     )6. A. blame (     )7. A. idea (     )8. A. guessed (     )9. A. angry (     )10. A. At least (     )11. A. surprised (     )12. A. damaged (     )13. A. scold (     )14. A. money (     )15. A. two (     )16. A. smoothly (     )17. A. turn in (     )18. A. discouraged (     )19. A. thought (     )20. A. imagining B. for B. though B. noticed B. However B. on B. fool B. bar B. obeyed B. sad B. At last B. impolite B. destroyed B. help B. lunch B. three B. fairly B. count out B. disturbed B. stated B. preparing C. after C. until C. worried C. Besides C. about C. frighten C. day C. begged C. worry C. At most C. pleased C. broke C. beat C. coffee C. four C. simply C. take over C. disappointed C. announced C. examining D. over D. while D. hoped D. Yet D. with D. make D. answer D. admitted D. ashamed D. At first D. impatient D. ruined D. save D. change D. five D. conveniently D. add up D. distrusted D. suggested D. describing