REVIEW PASSIVE VOICE: Chuyển các câu sau sang thể bị động 1. Our dog bit the postman (to bite- bit- bitten: cắn) => The postman was been bitten by our dog 2. What did he write with it? => What was 3. They will hold an international conference in Hanoi next month.(to hold- held- held: tổ chức) => An international 4. The Persian invented windmills around 500 years ago. => Windmills 5. I’ll meet her at the airport. => She 6. Bill will invite Ann to the party. => Ann 7. I didn’t write that letter. => That letter 8. Hundreds of people visit the White House everyday. => The White House 9. Everyone doesn’t know this fact very well. => This fact 10. Do you wash the dishes everyday? => Are………………………………………………?