exercise 6d Complete the crossword with words from the wordlist. Across 1. research 2. reputation 3. salary 4. allow 5. require 6. acquaintance 7. regular 8. generous 9. cover 10. infant Down 11. grateful 12. determine 13. ordeal 14. pregnant 15. leave 16. general 17. encourage 18. insurance 19. agony 20. surgery