2. Join the pairs of sentences using who, that, which, whose, whom. 1. Joe knows a lot of interesting facts from history. His father has a rich library.
2. I didn't recognise Sue. I hadn't seen her for two years.
3. The man has already come. He wanted to see you yesterday.
4. I enjoyed the book about American presidents. You gave it to me for my birthday.
5. Ann is speaking to the man. I don't know him.