1. routine 2. lean 3. scrape 4. stains 5. incident 6. renewed 7. strengthen 8. haunted 9. remedies 10. react 11. guilty 12. annoying 13. regrettable 14. hesitation 15. voluntary

1. A          2. D        3. B         4. A         5. D       

6. C        7. B         8. B         9. D        10. A