Đổi các câu sau ra các mệnh đề quan hệ

Đổi các câu sau ra các mệnh đề quan hệ ( who, which, that, whom, why, whose, when, where) 
1, You gave me a present. thanks you for it.
2, We stayed at the hotel. Mark recommended it for us
3, An talked to a man. He won a lot of money
4, The couple has got married. Their divorce was in the new paper
5, He is an architect. He designed the new city library