Відповіді: Стр.58 (3)

3. These sentences contain defining or non–defining relative clauses. Add commas where necessary to show the three non–defining relative clauses.

1. The book that I started reading at the weekend is really difficult.

2. My Auntie Maria, who lives in Spain is a lawyer.

3. We’re staying at the La Vida resort, which Mum’s friend recommended to us.

4. The man who lives across the street from my friend is a teacher.

5. The boy who is holding the ball is my cousin.

6. Darcie showed me a photo of her sister, who is a ballet dancer.