Key to Exercise 4, p. 58
1. considerable; 2. considerate; 3. considerable, considerable; 4. considerate; 5—8. considerable; 9. inconsiderate; 10—13. considerable; 14, 15. considerate; 16. inconsiderate; 17. considerable. Key to Exercise 4, p. 61 1—7. contemptuous; 8, 9. contemptible; 10, 11. contemptuous. Key to Exercise 4, p. 65 1—6. contents; 7, 8. content; 9. contents; 10. content, content 11, 12. contents. Key to Exercise 4, p. 71 1, 2. continually; 3. continuous; 4, 5. continually; 6. continuously 7—9. continual; 10. continuous; 11, 12. continually; 13. continuously; 14. continual; 15. continually; 16, 17. continual; 18. continually; 19, 20. continuous. Key to Exercise 4, p. 76 1. distinct; 2. distinctive; 3. distinct; 4. distinctive; 5, 6. distinct; 7. distinctive. Key to Exercise 4, p. 80 1. economical; 2. economic; 3. economical; 4—7. economic; 8. Economic 9. economic, Key to Exercise 4, p. 87 1. efficacious; 2. effectual; 3. efficient; 4, 5. effective; 6. efficient 7. effective; 8. efficient; 9. effective; 10, 11. efficient; 12—14. effective; 15. effectual; 16. efficient; 17. effective. Key to Exercise 4, p. 92 1. elementary; 2. elemental; 3—5. elementary; 6. elemental; 7, 8. elementary. Key to Exercise 4, p. 98 1. favourable; 2. favourite; 3. favourable; 4, 5. favourite; 6. favourable; 7—9. favourite; 10, 11, favourable; 12г 13, 14. favourite; 15. favou» rable. Key to Exercise 4, p. 100 1. his; 2, 3. no article or pronoun; 4. his; 5, 6. no article or pronoun; 7, 8. a; 9. his, no article; 10. a; 11. her, no article or pronoun. Key to Exercise 4, p. 105 1. hard; 2, 3. hardly; 4, 5. hard; 6. hardly, harder; 7. hardly; 8. hard; 9—15. hardly; 16. hard, hard; 17, 18. hardly; 19. hard; 20. hardly; 21. hard; 22. hardly; 23, 24. hard.
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