完形填空。 Our actions determine who we are and, in turn, who we are determines our actions. One thing I've learned is 1 we lose track of who we are, we lose track of where we're headed in life. I once have a friend who lost track. He 2 forgetting who he was in an experience that would change us both forever. For five years, we were best friends. We 3 a love of comic books, action figures and Star Wars. We held a going-away party for our local comic book store when it closed. We were inseparable, he and I, and there was 4 when it seemed nothing could tear us apart. And then one day, it all began to change. Slowly and 5 he turned away from it all. He stopped reading comics and watching movies, and we grew further and further apart. He sacrificed his identity 6 a darker future. He became involved with drugs, and I watched 7 , over a period of about a year, he changed from a creative, straight-A student to someone who was 8 all his classes from skipping too much school. All the while, I could do 9 but ignore the fact that I was losing my friend. I realized after the fact that I had 10 him slip away. I trusted he would find his own way back and pull through it 11 . I abandoned him when my help could have made all the 1 2 . I realize now that one can't always expect things to 13 all right. Unless we take action and shape our present, we must accept 14 future we arrive at. Perhaps if I had spoken out and forced him to realize where he was headed, he 15 to change paths. But I also realize that I wouldn't 16 what happened to him to happen to me, and it's scary to think how easily it could have. Looking back, I'm 17 to learn from his mistakes. The 18 thing I want is to abandon who I am. My identity makes me happy. I look at myself and 19 makes me appreciate life. I have 2 0 in myself in individuality, and the last thing I want is to serve as a scary reminder to someone else. (     )1. A.what if (     )2. A. ended up (     )3. A. set (     )4. A. a day (     )5. A. gradually (     )6. A. to (     )7. A. though (     )8. A. failing (     )9. A. everything (     )10. A. forced (     )11. A. along (     )12. A. difference (     )13. A. turn in (     )14. A. wherever (     )15. A. would try (     )16. A. allow (     )17. A. prepared (     )18. A. last (     )19. A. which (     )20. A. confidence B. that if B. lived up B. enjoyed B. a time B. generally B. for B. while B. succeeding B. something B. let B. away B. effort B. turn out B. however B. should try B. refuse B. determined B. first B. that B. courage C. even if C. put up C. shared C. a year C. greatly C. from C. if C. attending C. anything C. got C. apart C. impression C. turn up C. whatever C. must have tried C. persuade C. devoted C. only C. what C. determination D. only if D.  held up D. kept D. a moment D. frequently D. of D. because D. leaving D. nothing D. left D. alone D. contribution D. turn down D. whenever D. would have tried D. agree D. concerned D. most D. who D. decision