1. This is a house. It is a house made of wood.
2. This is a/the house that Jack built. Оба варианта применимы с разным значением.
3. Your blouse is in the washing machine. It will be ready for tomorrow's party.
4. What a lovely dress! Are you going to wear it?
5. In a good library there are always lots of children's books.
6. The story was so exciting that children could hardly believe their ears.
7. The book looks very unusual. I haven't seen a book like this before. I'm not surprised.
It's a very old and expensive book.
8. I know a/the man who lives in the house. Оба варианта применимы с разным значением.