Simon's crytic

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Across
  1. 2. animal begins to dare to grow facial hair
  2. 4. black substance in unit area
  3. 7. stop eating rapidly
  4. 8. program snake
  5. 10. worker uses vehicle with queen
  6. 11. man float
  7. 12. give lesson roughly say?
  8. 14. newspaper certain to force
  9. 16. occupied transport quickly ends
  10. 17. succeed energetically and have drink
  11. 18. good ending to party for animal
  12. 20. miniature swell of the sea in kitchen
  13. 21. say bye to purchase
Down
  1. 1. puzzle over angry speech
  2. 3. notional stomach muscles have passage
  3. 5. animals occupy it within as well
  4. 6. within this you have to reject it
  5. 8. fish loses head on stake
  6. 9. sounds like parliament voted against facial feature
  7. 10. want wine? then burn man no?
  8. 13. give up job by scrawling name again
  9. 15. cold weather ads, no watermarks inside
  10. 19. dodgy prime minister?