1. Joe goes everywhere by a / an / the / x bike. He hasn't got a / an / the / x cat.
2. Helen was listening to a / an / the / x very nice restaurant last weekend.
3. We went to a / an / the / x very nice restaurant last weekend.
4. I clean my teeth with a / an / the / x toothpaste.
5. I use a / an / the / x toothbrush to clean my teeth.
6. Can you tell me if there's a / an / the / x bank near here?
7. My brother works for a / an / the / x insurance company in London.
8. I don't like a / an / the / x violence.
9. Can you smell a / an / the / x paint?
10. When we were in Rome, we stayed in a / an / the / x big hotel.
11. We need petrol. I hope we come to a / an / the / x petrol station soon.
12. I wonder if you can help me. I have a / an / the / x problem.
13. I like your suggestion. It's a / an / the / x very interesting idea.
14. John has got a / an / the / x interview for job tomorrow.
15. I like a / an / the / x volleyball. It's a / an / the / x good game.
16. Liz doesn't usually wear a / an / the / x jewellery.
17. Jane was wearing a / an / the / x beautiful necklace.