Articles: a/an, zero - exercises

Fill in all the gaps with a/an or write x if there is no article, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints!
1. He was charged with murder but he said he had alibi.
2. friend of mine is expecting baby.
3. I had very bad night.
4. We'd better go by taxi.
5. Do you take sugar in coffee?
6. Mrs Brown is old customer and honest woman.
7. My brother is vegetarian; you won't get meat at his house.
8. We had fish and chips for lunch.
9. That doesn't sound very interesting dinner.
10. Last time I had cutlet I had indigestion.
11. travel agent would give you information about hotels.
12. My colleague is photographer; you can ask him for advice about cameras.
13. It costs twenty-two and half pence and I've only got fifty pence piece.
14. You can pay by cheque here.
15. I'm on diet. I'm trying to lose weight.
16. man suffering from shock should not be given anything to drink.
17. He has been accused of dishonesty?
18. I'm self-employed man. I have business of my own.
19. We have hour and half for supper.
20. I hope you have good weather.