Rewrite the following questions in the passive voice,вот пример: Who invented the camera?(Active voice)-> Who was

1. When will they stage the show? When will the show be staged? 2. Had they prepared the costumes before the director arrived? Had the costumes been prepared before the director arrived? 3. Did they translate the play? Was the play translated by them? 4. Did Andrew Lloyd Webber write the music? Was the music written by Andrew Lloyd Webber? 5. Will Steven Spielberg direct the film? Will the film be directed by Steven Spielberg? 6. Who designed the first pair of jeans? Who was the first pair of jeans designed by? 7. What caused the fire? What was the fire caused by? 8. Who invented the television? Who was the television invented by? 9. What do you use silver for? What is silver used for?