Complete the conversations with one of the idioms related to House & home in the correct form:
1. on the house,
2. to bring smb. home smth.,
3. to get on like a house on fire,
4. to eat smb. out of house and home,
5. to bring the house down,
6. till the cows come home,
7. to bring home the bacon.

- You spend a fortune on food!
- Well, we’ve got two hungry teenagers. They ______________ .