Bài 1
1.. the letters are delivered by mr hai everyday.
2. the tickets at the box office are often bought by the children.
3. their homework is usually finished by them before bedtime.
4. our exercises are corrected by the teacher today
5. the shows of music on tv is often watched by us.
Bài 2.
1. that novel was written by mrs allen in 1998.
2. the reference book from the shelf was borrowed by nam yesterday.
3. two loaves of bread was eaten by the boy last night.
4. the letter on the desk was left by him some minutes ago.
5. i was bought a new bike my mother last month