TURN THE FOLLOWING SENTENCES INTO THE PASIVE. 4. They put fresh flowers in the hotel rooms every day. 5. Bad weather may delay your flight. 6. They gave Sandy a present. 7. The government will have to do something to stop violence. 8. Did they made her cry? 9. The mechanic has repaired the car. 10. The bomb destroyed the building. 11. Scientists might discover a cure for cancer. 12. Someone should help the old woman cross the street. 13. They might have arrested the escaped prisoner. 14. They should have provided more food at the reception. 15. They ought to warn the public about him. 16. They should build more bus lanes. Giúp mình gấp đc k ạ