Missing Links 1. discovered 2. disorder 3. disappoint 4. disobey 5. disapprove 6. unsure 7. unclear 8. unable 9. unbuckle 10. unlimited 11. midweek 12. midyear 13. midway 14. midnight 15. midstream 16. pretest 17. preschool 18. precook 19. prepaid 20. prerecorded Missing Links 1. counter 2. indicates 3. jewelry 4. sapphire 5. smudge 6. conspired 7. display 8. distract 9. magnify 10. sprinklers 11. exempt 12. dwindle 13. recur 14. category 15. disease 16. vegetable 17. mathematics 18. temperature 19. devout 20. bacteria