Passive Voice
Animals in the zoo....(feed) 3 times a day.
Ink......(use) for writing many years ago.
The book of this writer.........(publish) in a month.
We...(not invite) to Andrew's party last year.
Flowers....(to sell) in shops and in the streets.
St.Petersburg.......(to found) in 1703.
Bread......(to eat) every day.
The letter.....(to receive) yesterday.
Nick.......(to send) to Moscow next week.