1. Those house was built five years ago

2. A lot of flowers were bought for Loan

3. All the vegetables and meat are eaten by the children

5. Ba's bike could be repaired

7. This cloth bag is used again and again

8. The lesson isn't prepared before they go to school

9. A lot of tourists are attracted by Ha Long Bay

10. That movie has been seen twice by Thu 

11. A new bike would be bought  for Minh on his birthday(by Mr Hung)

12. A car was rented by Vinh a last week

13. A test has been done well by Mai

14. mark 10 have been given for my English test by the teacher

15. The floor is cleaned by (my mother) everyday

Study well!

1.Those houses were built by Thang 5 years ago.

1. A lot of flowers were bought for Loan by Lien yesterday.
2. All the vegetables and meat were eaten by the children.
3. Her homework was done by Lien.
4. His bike was repaired carefully by Ba.
5. These books were written for children.
6. This cloth bag is used by Nam again and again.
7. The lesson is not prepared by them before they go to school.
8. A lot of tourists was attracted by Ha Long Bay.
9. That movie has been seen twice by Thu.
10. A new bike will be bought for Minh on his birthday by him.
11. A car was rented by Vinh last week.
12. That test is done well by Mai.
13. I am given mark 10 for my English test by the teacher.
14. The floor is cleaned by my mother everyday.