Loud Cow and Boat is Slow

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Across
  1. 3. Not wide
  2. 6. Feeling good about something you did
  3. 7. What you see behind the main thing
  4. 10. To get something from the internet onto your device
  5. 11. To meet someone unexpectedly
  6. 12. Helping someone learn or improve a skill
Down
  1. 1. An opening in a wall to let in light and air
  2. 2. Below the surface of the earth
  3. 4. Not deep
  4. 5. A building where people live
  5. 8. The day after today
  6. 9. To go behind someone or something