Articles grammar exercises

Articles grammar exercises. Choose the right artilces a, an or zero article. In the sentences where it is not necessary to use a or an choose x.
1. I used to take sugar in coffee but I’m on diet.
2. It costs fifty pounds and half pence.
3. You can pay by cheque here.
4. Mr Brown is old customer and honest man.
5. He has been accused of dishonesty.
6. I’m self-employed man. I have business of my own.
7. He was charged with murder and he said he had alibi.
8. I have hour and half for lunch.
9. I only have half an hour.
10. I hope you have lovely time and good weather.