Complete the sentences with the correct form of the given verbs (gerund).

1. We plan on a new addition at the back of our house.
2. I often wonder about the possibility of back to school.
3. She was concerned about surgery next week.
4. Antonio and his wife did not like the idea of the extra fee.
5. He‘s always succeeded in games of chess.
6. Have you thought about a watch? You're always losing track of time.
7. What are the benefits of daily?
8. The experiment resulted in more about the cancer drug.