VII / Change the following sentences into passive voice 3. Grahham Bell invented the telephone in 1776. => 4. They didn’t buy vegetables on the way home. => 5. Her father didn’t repair the bike for her. => 6. I haven’t used the laptop before. => 7. We have read this book three times. => 8. Have you finished the work yet ? => 9. The teacher will explain the lesson carefully. => 10. They are going to send the documents as soon as possible. => 11. They couldn’t continue the match because of the bad weather. => 12. You should do the exercises carefully. => 13. They took the old man to hospital. => 14. They should reduce air pollution. => 15. They are repairing this road at the moment. =>