Here are the correct forms of the verbs to complete the sentences:

1. He delayed **telling** her the news, waiting for the right moment.
2. I demand **to see** the manager.
3. My father offered **to take** us to the airport.
4. I haven't missed **smoking** like I expected to.
5. We've had to postpone **going** to France because the children are ill.
6. I hate **interrupting** but it's time we left.
7. She admitted to **having** stolen the car.
8. Katie chose **to say** away from work that day.
9. Hurry up! We're waiting **to go**.
10. I don't appreciate **being** treated like a second-class citizen.