Przekreśl zaimki względne who/which/whose w tych zdaniach, w których można jej opuścić.

1. The book which I told you about has because a bestseller.
2. This is Mr Burns who works in the IT department.
3. I've just bought the guidebook which you recommended to me.
4. The nicest person who we met on that trip was a guy from Mińsk called Sasha.
5. That's the clothing brand whose clothes are all made from natural fibres.
6. The boy who gave me this book is my cousin.
7. The car which we bought turned out to be full of rust.
8. The dress which I saw online was not the same as the product I received.