完形填空。 When I moved into an empty dorm (宿舍) for the first time two years ago, I was certain of a few things. Firstly, I realized that I didn't 1 anybody at the school. Secondly, I knew that I wanted to work hard at my lessons and 2 something useful. And thirdly, I wanted to have a good time with my new classmates, without my parents around. The first realization frightened me in the 3 . But that 4 quickly disappeared. It was the two goals 5 became my real difficulties. I knew that it was 6 to devote enough time to both classes and social efforts at the same time. But I was determined to 7 my goals. I knew this would be a 8 , but I didn't realize how big the challenge was until classes began. I got on well with the other girls who lived in my dorm. I often chatted with them 9 of finishing my homework 10 it was due (到期的). I always finished it the next day between classes. I knew 11 wasn't good and the grades I 12 showed my lack of effort. It was pretty 13 that I needed to find some sort of balance. So I made a schedule (时间表), 14 my time up among going to classes, doing homework and relaxing. It seemed like a good idea, 15 I was only able to 16 to it for a few days. A schedule like that was too much pressure. So I tried another 17 . Each week I made a list of things I had to get done during that week. Then I made a list of things I could do 18 I had time. This is the method I have used 19 then. I'm glad that I've learned to balance things and it has helped 20 me for what is come after graduation. (     )1. A. know (     )2. A. understand (     )3. A. end (     )4. A. happiness (     )5. A. which (     )6. A. hard (     )7. A. try (     )8. A. chance (     )9. A. instead (     )10. A. because (     )11. A. it (     )12. A. demanded (     )13. A. scary (     )14. A. fixing (     )15. A. so (     ) 16. A. use (     )17. A. plan (     )18. A. if (     )19. A. from (     )20. A. serve B. introduce B. learn B. middle B. excitement B. what B. easy B. achieve B. job B. rather B. so B. one B. took B. pleased B. dividing B. and B. hold B. energy B. unless B. for B. prepare C. hear C. think C. first C. fear C. that C. interesting C. earn C. challenge C. except C. after C. these C. accepted C. tidy C. putting C. but C. keep C. preparation C. before C. at C. earn D. like D. tell D. beginning D. desire D. who D. nice D. wish D. time D. free D. before D. I D. got D. clear D. building D. however D. watch D. speech D. since D. since D. develop