Choose and underline the correct word1. I am talking about the

Choose and underline the correct word
1. I am talking about the girl who/which is sitting on the sofa.
2. This is the skate-park where/which people come to skateboard.
3. My mum мейд a cake which/who tasted really delicious.
4. The girl who/whose hair is very long is my elder sister.
5. 2001 was the year when/where we played in the chess tournament.