1)переделайте все предложения в Active voice:
1) What have been said is true.
2) Has his essay been handed in?
3) What museums were visited last year?
4) This man has never been talked to.

1. B: "All I have said is true".2. B:" Have you handed his essay in"3. C: "What museum did you visit last year? "4. A: " Anybody has never talked to this man".