3. Change the sentences into the Passive voice.

1. This coffee was grown in Brazil. 2. This piano was made in the 18th century. 3. A Christmas postcard was sent to me. 4. A lot of vegetables were bought and put in the fridge. 5. The book was written in 1974. 6. A new hospital was built in our city last month. 7. This book was translated into many languages. 8. Reading was taught in the first year.