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1. All the paintings are displayed in the gallery by the painter.

2. The kettle is turned off by Jim.

3. The door is always locked by Peter before 9 p.m.

4. Are you taken to the airport by Jim?

5. How often is the room cleaned by Jane?

6. A long essay is rarely written by my brother.

7. Flowers are arranged beautifully by my aunt.

8. The new car is sometimes driven to work by Mr. Smith.

9. English is never spoken outside the classroom by me.

10. The gate is never opened.

11. Bottles are made from plastic.

12. The wedding photo is hung on the wall by Jane.

13. This place is guarded twenty-four hour a day.

1, The painter displays all the paintings in the gallery ( are )
-> All the paintings are displayed in the gallery by the painter.
2, Jim turns off the kettle ( by )
-> The kettle is turned off by Jim.
3, Peter always looks the door before 9p.m ( locked )
->The door is looked by Peter before 9p.m.
4, Does Jim take you to the airport ? ( taken )
->Are you taken to the airport by Jim?
5, How often does Jane clean the room ? ( is )
->How often is the room cleaned by Jane?
6, My brother rarely write a long essay ( is )
->A long essay is writed by my brother.
7, My aunt arranges flowers beautifully ( are )
->Flowers are arranged beautifully by my aunt.
8, Mr. Smith sometimes drive the new car to work ( is )
->The new car is driven to work by Mr.Smith.
9, I never speak English outside the classroom ( by )
->English is never spoken outside the classroom.
10, People never open this gate ( is )
->The gate is never opened.
11, People make bottles from plastic ( are )
->Bottles are made from plastic.
12, Jane hangs the wedding photo on the wall ( by )
->The wedding photo is hung on the wall by Jane.
13, Someone guard this place twenty-four hour a day ( is )
->This place is guarded twenty-four hour a day.