Passive voice
Поставить глагол в скобках в нужную форму
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

Animals in the zoo are fed 3 times a day. Ink was used for writing many years ago. The book of this writer will be published in a month. We weren't invited to Andrew's party last year. Flowers are sold in shops and in the streets