Ex. 6. Explain the difference between the following pairs of words and use them in sentences of your own.
1. air — an air 2. beauty — a beauty 3. coffee — a coffee 4. cloth — a cloth 5. dinner — a dinner 6. fire — a fire 8 7. glass — a glass 8. language — a language 9. lemon — a lemon 10. light — a light 11. nature — a nature 12. oak — an oak 13. paper — a paper 14. play — a play 15. power — a power 16. rubber — a rubber 17. ice — an ice 18. stone — a stone 19. study — a study 20. will — a will
