Chuyển các câu sang bị động: 1. My father waters these flowers trees every morning. 2. John invited Hoa to his birthday party last night. 3. We should clean our teeth twice a day. 4. Her mother is preparing the dinner in the kitchen

1. My father waters these flowers trees every morning.
2. John invited Hoa to his birthday party last night.
3. We should clean our teeth twice a day.
4. Her mother is preparing the dinner in the kitchen.
5. They are drawing some pictures in a room.
6. Mai can make sweet cakes.
7. We write English essays every day.