Testy angielski Question tags

1. You like fish, ?
2. You have tea at 4, ?
3. You don't have tea at 4, ?
4. There'll be a strike tomorrow, ?
5. You never work on Sundays, ?
6. Nobody's been told, ?
7. Everyone's ready to leave now, ?
8. That suit is expensive, ?
9. You left the gas on, ?
10. You couldn't do me a favour, ?