Here are the answers to the articles exercise:
1. I've got a great idea for your party this weekend.
2. That's an interesting suggestion. I'll think about it.
3. Did you watch the programme I told you about?
4. Do you think - people care enough about the problem?
5. I looked up at the sky and saw a strange light.
6. I wish we had an Indian restaurant in our town.
7. Are you looking forward to visiting - China?
8. I hope the headteacher gives us the day off school!