Ответ:

1. I was on holiday with my family. We went to a different place than usual, which was much better than we usually go. (comparative form of "good")

2. The house we stayed in was really nice. (past simple form of "stay")

3. I think the bed in my bedroom was the most comfortable bed in the world! It was lovely. (superlative form of "comfortable")

4. My sister said her bedroom was the worst room in the house – it was certainly very cool and small! (comparative form of "bad")

5. It was my birthday, so we went shopping for a present. Mum and Dad bought me a new tablet – I couldn't believe it! (past simple form of "buy")

6. Then we went to the biggest funfair in France, at least it seemed like it. It was huge! (superlative form of "big")

7. I had a fantastic time there. I can't wait for my next birthday! (comparative form of "fantastic")