Articles: a, an, some exercises

1. I will give you pen and notebook.
2. house has windows.
3. house built of stone is colder than one built of brick.
4. You write on blackboard with chalk.
5. I want to listen to music.
6. (S)sugar is sweet.
7. There are usually flowers in garden.
8. I want milk and piece of bread.
9. Do you take sugar in tea?
10. There is mud on my shoes.
11. Letters should be written in ink.
12. friend of mine bought books today.
13. The coal mine gives us coal.
14. book on mathematics is too difficult for him.
15. I put butter into my soup.
16. ring made of gold costs more than one made of silver.
17. good worker is never late for work.
18. (B)books are printed on paper.
19. To eat fruit is good for health.
20. I take cup of tea with sugar.