47.

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Across
  1. 1. COMB Black taxi pulled up with ape inside, to make one's hair stand on end! (4-4)
  2. 3. LARGE Has extravagant ways
  3. 8. Little weight behind American news report (8)
  4. 9. CREW In the current atmosphere looking back, you and I go to church with high-flyers (3,4)
  5. 10. CLUES
  6. 12. Sets up sailor bar in American city with first cousin - a man-eater (8)
  7. 15. GEAR Special equipment for police in South American city with great rampaging (4,4)
  8. 16. Rides in train with someone who has special access (7)
  9. 18. Frustrated Caledonian goes to church with editor
  10. 19. ALL In spite of everything, being behind American lines
  11. 20. BAG Pitcher's mound accessory
  12. 22. WORSHIPS One of 8 down goes to church with someone who has excessive admiration for others (4-8)
Down
  1. 2. Youngster with ape developed a pulse (8)
  2. 4. One hour with ape misbehaving is a delight (8)
  3. 5. Filled with undue admiration for oneself (4)
  4. 6. Colonise Pluto with ape, perhaps (8)
  5. 7. Top of one of 8 down (3)
  6. 8. Take it Bill goes to church with unusual pet (6)
  7. 11. Whirlwind fourth romance after 6 down goes to party (7)
  8. 13. GRASS Crazy King George behind American plant (3-5)
  9. 14. Force company to go to church with misgivings (6)
  10. 17. I go to church with a loud student on overseas excursion and discover a cold water covering (7)
  11. 21. Deal with someone who has a complaint