All sorts of things (leave)........... in buses every day.
are left
We will not admit children under sixteen.
Children under sixteen will not be admitted.
Has someone posted my parcel?
Has my parcel been posted?
Oranges have been grown here for centuries./
People...
People have grown oranges here for centuries
All the sandwiches (eat)............. at the party last night.
were eaten
People steal things from supermarkets every day.
Things are stolen from supermarkets every day.
When did they book the hotel rooms?
When were the hotel rooms booked?
The fire had been put out successfully by midnight/
Firefighters...
Firefighters had put out the fire successfully by midnight
Her luggage is still in the hotel room, but her bed (not use)............. for days
hasn't been used
Nobody has used this room for ages
This room has not been used for ages
Do they import these oranges from Spain?
Are these oranges imported from Spain?
We are being followed./
Someone...
Someone is following us.
A soon as I got into my car, I noticed that the radio (remove) .................... .
Had been removed
The police shouldn't allow people to park there
People shouldn't be allowed to park there
Are they demolishing the entire block?
Is the entire block being demolished?
This could be done much more easily by a machine./
A machine...
A machine could do this much more easily.
Right now the suspects (question) .................... by the police.
Are being questioned
You should have taken those books back to the library.
Those books should have been taken back to the library
Why did no one inform me of the change of plan?
Why wasn't I informed of the change of plan?
Have you ever been called a fool before?
Has anyone ever called you a fool before?