【正文】
I think of the last runner. Then I realize how 20 the task before me really is. 1. A. so that B. in case C. even though D. only if 2. A. first B. best C. only D. last 3. A. run B. separate C. disappear D. appear 4. A. drawn B. thrown C. fixed D. caught 5. A. hands B. legs C. arms D. body 6. A. let B. leave C. speak D. take 7. A. watched B. drove C. observed D. stared 8. A. Quickly B. Unluckily C. Naturally D. Finally 9. A. since B. before C. as D. until 10. A. pain B. determination C. strength D. desire 11. A. tired B. waiting C. cheering D. impatient 12. A. Besides B. Therefore C. Yet D. Fortunately 13. A. stood B. waited C. came D. had 14. A. helping B. catching C. holding D. tying 15. A. kept B. tied C. connected D. led 16. A. dream B. feeling C. idea D. life 17. A. following B. hoping C. encouraging D. beating 18. A. finishing B. realizing C. starting D. winning 19. A. where B. how C. when D. what 20. A. difficult B. interesting C. easy D. hopeful