1. The room ______________ (clean) yesterday. 2. New houses ____________ (build) in our city every year. 3. The book of this writer ______________ (publish) in a month. 4. The trees ____________ (whitewash) by our pupils every spring. 5. Tea _____________ (grow) in Ceylon and India. 6. America _____________ (not/discover) by James Cook. It _____________ (discover) by Christopher Columbus. 7. Pizza ___________ (deliver) in half an hour. 8. Thousands of new cars _______________ (produce) at this plant every year. 9. Ink ___________ (use) for writing many years ago. 10. Some new technologies _____________ (introduce) to the industrial companies at the end of the following month.
The room was cleaned yesterday.New houses are built in our city every year.The book of this writer will be published in a month.The trees are whitewashed by our pupils every spring.Tea is grown in Ceylon and India.America was not discovered by James Cook. It was discovered by Christopher Columbus.Pizza is delivered in half an hour.Thousands of new cars are produced at this plant every year.Ink was used for writing many years ago.Some new technologies will be introduced to the industrial companies at the end of the following month.