Rewrite the sentences (1-8) in the passive. In which sentences can we omit the agent Why

2 The ancient forear was destroyed with fire

3 The lake have visited by millions of people

4 The town was rebuilt after the huge flood by them

5 A book about the wildlife of Kazakhstan was written by Alexander N.Formosov

6 A documentary film about deforestination last week was showing with the losal cinema

7 The first Earthship was created by Mike Reynolds

8 The plants are watering by him at the moment

2. The ancient forest was destroyed by fire.

3. The lake has been visited by millions of people.

4. The town was rebuilt (by them) after the huge flood.

5. A book about the wildlife of Kazakhstan was written by Alexander N.Formosow.

6. A documentary film about deforestation was being shown last week (by the local cinema).  

7. The first Earthship was created by Mike Reynolds.

8. The plants are being watered (by him) at the moment.