Put the verb in the correct passive form.
1. The winner of the science prize by Professor White next month. (choose)
2. This document yet. (not sign)
3. The television by Alexander Bell. (not invent)
4. While the next scene by the film crew, the actors decided to take a break. (prepare)
5. A lot of wine in the Penedes region. (produce)
6. The date of the exhibition must . It's the only possible solution. (change)
7. Who Hamlet by? (write)
8. The new drug now in eight different countries. (test)
9. Oranges in the UK. (not grow)
10. Before the accident happened, the airline company several times about the poor condition of the plane. (warn)