1) The music was composed by Beethoven.
Who was the music composed by?
2) The problem will be discussed at the next meeting.
When will the problem be discussed?
3) The professor is being interviewed now.
Who is being interviewed now?
4) These methods have not been used.
What methods haven't been used?
5) The criminal was arrested yesterday.
When was the criminal arrested?
6) The old church was reconstructed last year.
When was the old church reconstructed?
7) They were invited to the party.
Where were they invited to?