Choose the correct answers ​

1. Our school *was built* ten years ago.
2. Cars *weren't used* in twenty years' time.
3. *Will workers pay* better next year?
4. Their products *will be sold* all over the world in the next ten years.
5. Hamlet *was written* by Shakespeare.
6. Pesticides *weren't used* by organic cotton growers.
7. *Were the grapes grown* in Britain these days?*
8. Trousers *weren't worn* by women in the 1920s.

*К сожалению насчет 7 предложения я не уверена, но вроде должно быть так.