Complete the second sentence so that it has a similar meaning to the first, using a modal perfect form..
1. The lights weren't on at the house. I'm certain they were still out. - They home because the lights weren't on.
2. The kids ate everything - they were really hungry. - The kids really hungry because they ate everything.
3. There isn't a door at the back. It wasn't possible for the burglars to get in from there. - They in from the back because there isn't a door there.
4. The project went completely wrong. It wasn't planned properly. - They the project properly because it went completely wrong.
5. We didn't take out insurance when we went on holiday and we had a car accident. We out insurance when we went on holiday.