1. Such songs are always admired by listeners.
2. This question wasn't asked by the children.
3. When was America discovered by Columbus?
4. Such fruit trees are not grown in cold countries.
5. The performance was remembered for a long time.
6. The ice cream was eaten in no time.
7. Was this palace built by a famous architect?
8. This castle is visited by a lot of tourists.
9. His coat was hung on the hook.
10. Adam's toy car was broken by him.