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Ответ:

14:

1. strong

2. dirty

3. fast

4. ugly

5. difficult

6. old

7. slow

8. easy

9. clean

10. beautiful

11. young

12. weak

15:

1. better

2. worse

3. bigger

4. more expensive

5. more elegant

6. brighter

7. healthier

8. happier

9. more generous

10. funnier

11. more exciting

12. more boring