giải hộ vs] ----- Nội dung ảnh ----- 1. Chuyển các câu sau sang thể bị động: 1. Somebody will clean the room later. 2. You mustn’t open this parcel until Christmas Day. 3. They can’t make tea with cold water. 4. The students will hold a meeting before the teachers’ Day. 5. People can recycle tires to make pipes or floor coverings. 6. They should send applications before December 30th. 7. The manager must sign the contract today. 8. They will build the new bridge by the end of the year. 9. We should use the cloth bags instead of plastic bags. 10. We can use the garbage to make fertilizer.