Passive voice поставить глагол в скобках в нужную форму animals in the (feed) 3 times a day. ) for writing many years ago. the book of this ) in a month. (not invite) to andrew's party last year. (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