1.It's ___ great guitar.
It's a great guitar.
2. We do ___ exercise.
We do an exercise.
1. a an book.
2. an a good idea.
3. an a house.
4. an a idea
5. an a exercise.
6. an a bad exercise.
7. an a question.
8. an a old dog.
9. an a computer
10. an a car.
11. an a good example.
12. an a example.
13. an a answer.
14. an a stereo.
15. an a CD.
16. an a animal.
17. an a wall.
18. an a street.
19. an a poster.
20. an a horse.
21. an a desk.
22. an a bed.
23. an a magazine.
24. I have got an a great horse.
25. I listen to an a new CD.
26. I can see an a big poster.
27. I have got an a old dog.
28. There´s an a empty bottle.
If you need help, look in your Green Line book and check G16.