Turn the following into the Passive Voice without leaving out the

Turn the following into the Passive Voice without leaving out the subject of the action. Model: Popov invented the radio. - The radio was invented by Popov
1. My sister teaches me English.
2. Peter drives the car.
3. Mary has lost her key.
4. My friend will meet the delegation.
5. She offered me a cup of tea.
6. They promised her an interesting job.
7. They gave the actress a bunch of flowers.
8. He showed me the way to the railway station.
9. We sent for the doctor.
10. The children laughed at the little boy.
11. They look after the children.
12. The boys мейд fun of him.