Complete
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7 9 16 17 20 22 1 12 13 2 18 3 10 23 8 11 21 4 14 19 5 15 6
  1. 1 a Truthful (6)
  2. 4 a The Man from ___ (1960s' US spy fiction TV series) (5)
  3. 7 a Small furry arboreal animal — us Poms (anag) (6)
  4. 8 a Organise or administer an exhibition (6)
  5. 9 a Spill the beans (informal) (4)
  6. 10 a Where the real work gets done? (8)
  7. 12 a Huge city (11)
  8. 17 a Planter — digger — pruner (8)
  9. 19 a Near (4)
  10. 20 a Standard (6)
  11. 21 a Semitic language (6)
  12. 22 a Complete extent (5)
  13. 23 a Craziness (6)
  14. 1 d Yob (7)
  15. 2 d Food for a horse — one gabs (anag) (7)
  16. 3 d Punctuation mark (9)
  17. 4 d Habitual (5)
  18. 5 d Indian unleavened wholemeal bread pancake (7)
  19. 6 d XI (6)
  20. 11 d & (9)
  21. 13 d Tympanum (7)
  22. 14 d In days of yore (4,3)
  23. 15 d Show (7)
  24. 16 d Kind of Christmas punch (6)
  25. 18 d Celebrate (5)

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