Choose the correct options.
1. The bottles go in the recycling bin, do / don't they?
2. You can help us, can / can't you?
3. Pollution is a huge problem, doesn't / isn't it?
4. They won't pollute the air, will / won't they?
5. I'm right, am/ aren't I?
6. We can reduce waste, can’t / don't we?