1. That novel was written by Mrs. Allen in 1998.
2. Our desk were repaired during the weekend.
3. The reference book from the shelf was borrowed by Nam yesterday.
4, The letter was left on the desk by him some minutes ago.
5. A new bike was bought for me by my mother last month.
6. Our written test was returned by our form teacher to us last lesson.
7. Paper was invented by the chinese in the century A.D.
8. Trees were planted in their neighborhood by Vietnamese a year ago.
9. Games were play by the children yesterday.
10. The housework was done by my sister yesterday.
