1)-Did people cook meals over the fires many years ago? - Yes, they did.
2)-Did they have cold and hot running water in the hotel?-Yes, they did.
3) -Has your mother got an electric washing machine at home? -Yes, she has.
4) Did the central heating work in your house last month? -No, it didn't.
5) Did Tom use candles for light last month? - Yes, he did.
6) Did people have television in the castles? - No, they didn't.