Question

HELP!! УПОТРЕБИТЕ ПРЕДЛОЖЕНИЯ В PASSIVE VOICE
Where did they park the car?
Who wrote the music "Cats"?
They were painting my flat when I arrived.
Puccini composed many famous operas.

Answer 1

where was the car parked?
whom was the music Cats written by?
my flat had been painted when I arrived
many famous operas were composed by Puccini