Question

Necesito todas esas oraciones en voz pasiva, doy 70puntos
We stopped the bus
A thief stole my car last week.
The boys bought the new book
He sent the letter
Her boyfriend will install it.
Millions of people will visit the museum.
Our boss will sign the contract.
You will not do it.
I have done my homework.
Betty has made an apple cake.
Laura and Pedro haven't seen the new teacher yet.
They have sold the house for $25.000.

Answer 1

The bus was stopped. 
My car was stolen by a thief last week. 
The new book was bought by the boys.
The letter was sent by him.
It will be installed by her boyfriend.
The museum will be visited by millions of people.
The contract will be signed by our boss.
It will not be done by you.
The homework was done by me.
The apple cake was made by Betty.
The new teacher was not seen by Laura and Pedro yet
The house was sold for $25.000.