Choose the correct option

1. Is there [a|an|some|any] flour in the bag?
2. There aren't [a|an|some|any] potatoes left.
3. There isn't [a|an|some|any] coffee, but there is [a|an|some|any] tea.
4. Have you got [a|an|some|any] lemon?
5. Are there [a|an|some|any] eggs left?
6. Can I have [a|an|some|any] juice, please?
7. Can I have [a|an|some|any] apple, please?
8. Would you like [a|an|some|any] lemonade?
9. Do you want [a|an|some|any] cereal?
10. We can eat [a|an|some|any] grapes after dinner.
11. Have we got [a|an|some|any] rice?
12. There are [a|an|some|any] carrots in the fridge.
13. Don't buy [a|an|some|any] butter. We've got [a|an|some|any] in the fridge.
14. Would you like [a|an|some|any] biscuit?
15. There's [a|an|some|any] ice cream for dessert.
16. There is [a|an|some|any] onion on the table.