【正文】
C.\ D. what 16. A. important B. unimportant C. necessary D. useless 17. A. study B. work C. learning D. aim 18. A. growing B. growth C. future D. tomorrow 19. A. ability B. possibility C. interest D. chance 20. A. develops B. learns C. goes D. works 答案: 1. D 11. C 2. C 12. B 3. A 13. A 4. B 14. C 5. A 15. D 6. C 16. A 7. A 17. C 8. D 18. B 9. C 19. D 10. B 20. D