4).Change the sentences from active to passive ifpossible:

1. Doctors use this medicine widely. 2. They deliver milk before 8 a.m. 3. When I came to the service station, they were still repairing my car. 4. Jack walked to school yesterday. 5. Don’t worry, our people will meet the group at the airport. 6.This man is installing a new copy machine in the office. 7. We stayed in a three-star hotel. 8. The police arrested the wrong man mainly because they confused the names which the witness had given them. 9. They threw him into prison and deprived him of his property. 10. The leaves fell to the ground. 11. Have you received the message yet? 12. People are destroying large areas of forest every day. 13. Mary’s cat ran away last week. 14.1 hope they will have completed the repairs by tomorrow. 15. Some peoplewere using the tennis court, so we couldn’t play.