Don't be an idiom, do your puzzle!

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Across
  1. 2. I heard that
  2. 4. heterograph of what students need to learn to do better in English class
  3. 5. heterograph of what Riso doesn't have
  4. 6. heterograph of angry fuzzy honey eater
  5. 7. heterograph of the opposite of wrong
  6. 8. breeze killer!
  7. 10. keep it stiff if you don't want to cry
  8. 12. heterograph of the country that Sophocles, Oedipus and Homer came from
  9. 13. sounds the same spelled the same
  10. 14. heterograph of what Riso's skin is
  11. 17. don't put this before your horse
  12. 18. heterograph of what baseball players and burglars do
  13. 20. who would do that to a bush?
  14. 21. heterograph of Bambi
  15. 22. spelled the same sounds different
  16. 24. what, you're a dentist?
  17. 32. heterograph of what you have to keep tight while riding a horse
  18. 34. heterograph of the color of my face if I were to hang upside down and be angry
  19. 36. it'll mangle your nose if you get too close
Down
  1. 1. they do it in Pamplona (that's in Spain)
  2. 3. oceanic heterograph
  3. 4. meow, woof, splash
  4. 9. you have a lot of these if you are clumsy
  5. 11. might have your tongue
  6. 15. not a sheepish story
  7. 16. heterograph of what you do to cheese over your pasta
  8. 19. cut me some please!It's a Friday!
  9. 23. and you might get shot in the foot
  10. 25. heterograph of Lancelot's occupation (Galahad and Gawain too... ok fine.. Batman is a dark one)
  11. 26. like an old vampire
  12. 27. spelled differently
  13. 28. a culturally specific expression
  14. 29. I doubt you'll get this one
  15. 30. I'll take a barrel of them
  16. 31. don't switch it in the middle of the stream!
  17. 33. you'll go hungry if you spill them
  18. 35. what he escaped from with your tongue