Homophones 2

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Across
  1. 1. _______ that?
  2. 5. What was that sound?
  3. 6. I need a rest.
  4. 8. A pilot flies this.
  5. 10. After the starter.
  6. 11. How to stop a vehicle.
  7. 12. To purchase something.
Down
  1. 2. I'm over _________ !
  2. 3. You do this in maths.
  3. 4. _______ work is this?
  4. 6. See you later!
  5. 7. A lion has this.
  6. 8. Simple and basic.
  7. 9. I need _________ of those.
  8. 11. Who is the author?