Bài 9:
1. All the paintings are displayed by the painter in the gallery.
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 hours a day.
14. Jim’s blog is written and posted on social network site by him.
15. Winter wheat is harvested in late July.
Bài 11:
1. (+) This building was designed by a French architect.
(-) This building wasn't designed by a French architect.
(?) Was this building designed by a French architect?
2. (+) This non-profit organization was founded in 1990.
(-) This non-profit organization wasn’t founded in 1990.
(?) Was this non-profit organization founded in 1990?
3. (+) The thieves were arrested yesterday.
(-) The thieves weren't arrested yesterday.
(?) Were the thieves arrested yesterday?
4. (+) This piece of music was composed by Mozart.
(-) This piece of music wasn't composed by Mozart.
(?) Was this piece of music composed y Mozart?
5. (+) The keys were found in her bedroom.
(-) The keys weren’t found in her bedroom.
(?) Were the keys found in her bedroom?