Previous quick solution

Across: 1. Emulate 5. Recap 8. Blandishments 9. Roc

10. Corkscrew 12. Taunts 13. Silver 15. Attesting 16. Rue

18. Hobson’s choice 20. Royal 21. Outplay

Down: 1. Ember 2. Unaccountably 3. Abdicates 4. Ensure

5. Ram 6. Controversial 7. Postwar 11. Slingshot 12. Teacher

14. Fiasco 17. Every 19. Oil