Some of this sentences are right. Put in a/an where it is necessary.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers.
   a      an      right   
1. I haven’t got watch.
2. Do you like cheese?
3. Ann never wears hat.
4. Are you looking for job?
5. Mary doesn’t eat meat.
6. Mary eats apple every day.
7. I’m going to party tonight.
8. Music is wonderful thing.
9. Jamaica is island.
10. I don’t need key.
11. Everybody needs food.
12. I’ve got good idea.
13. Can you drive car?
14. Do you want cup of coffee?
15. I don’t like coffee without milk.
16. Don’t go out without umbrella.