Convierte las siguientes oraciones de active voice to the passive voice.

They had won the race.
He has seen two bulls this morning.
I was buying the newspaper when I saw Mary this morning.
They are buying a new house this afternoon.
Paul has sold his two cars.
I put the glasses on the table yesterday.
I was feeding the animal yesterday at 10 o'clock.
They had painted the house the week before.
She has given Paul a kiss this morning.
They hid the treasure a long time ago.
We listened to a strong noise coming from the street.
They are studying English right now.
They drank two pints at Paul's house.
They found two fossils of mammoth.
I didn't recognize Mary at first sight.
I don't know her.
He was driving his car when I phoned her.
They have stolen all the food.
Do advertising agencies use special strategies?
You can't park cars in here.
You can't take photographs in this place.
The school must change these rules.
You should repair the stairs.
I have to mend this watch.
The nurse examined the patient.
My son cleaned the windows.
The fire destroyed the building.
That dog bit the boy.
Paul has written her a letter this week.
Many people speak french in Canada.
The police found the thief in that house.
The owner of the shop had left his dog outside.
The manager is going to offer Sue a job.
A local radio station is reporting the event.
They won't change the shop display until Friday.