1.Rewrite these active sentences in the passive form.
1 They published their findings in a well-known journal.
Their findings _____________________________________.

2 Someone had eaten all the food before we arrived.
All the food _______________________________________.

3 They are taking him on a tour of the factory.
He ______________________________________________.

4 Over 500 million people speak Spanish.
Spanish __________________________________________.

5 They were interviewing me when my phone rang.
I ________________________________________________.

6 They will hold the conference in June.
The conference ____________________________________.