Turn the sentences into passive voive (Chuyển các câu sau sang thể bị động)?

II. Turn the sentences into passive voive (Chuyển các câu sau sang thể bị động)
1. Mai waters the flowers every day.
_______________________________________________________________________
2. The waiter brings me this dish.
_______________________________________________________________________
2. Our friends sent these postcards yesterday.
_______________________________________________________________________
3. Their grandmother gave her a doll when they visited her last week.
_______________________________________________________________________
4. Tim ordered this train ticket/ for his mother.
_______________________________________________________________________
5. Lan showed the ticket to the airline agent.
_______________________________________________________________________
6. Jim baked this cake yesterday.
_______________________________________________________________________
7. Tom buys some pens every month.
_______________________________________________________________________
8. The shop assistant handed these boxes to the customer.
_______________________________________________________________________
9. The principal awarded the first prize to his student.
_______________________________________________________________________
10. Peter cleans the floor on Sundays.
_______________________________________________________________________
11. The teacher explained the lesson carefully.
_______________________________________________________________________
12. Tom washed dishes yesterday.
_______________________________________________________________________
13. The children keep this room tidy all the time.
_______________________________________________________________________
14. My mom gave Ann some bananas and some flowers last week.
_______________________________________________________________________

15. My father moved the fridge into the living room.
_______________________________________________________________________