II. Change these sentences into passive voice: 1. My father waters this flowers every morning ...................................................................................... 2. John invited Fiona to his birthday party last night .................................................................................... 3.Her mother is preparing the dinner in the kitchen.  .................................................................................. 4. We should clean our teeth twice a day .......................................................................................... 5. Our teacher have explained the English grammar .......................................................................................... 6. Tom will visit his parents next month .......................................................................................... 7. Her mother used to give her some sweets after the meals .......................................................................................... 8. They are going to build a new supermarket near my house .......................................................................................... 9. We need to protect our environment .......................................................................................... 10. Do your paretns make you study hard ? ..........................................................................................

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