Relative pronouns - who, which, whose

Choose one of the following relative pronouns who, which or whose from the dropdown menu.

1) I talked to the girl < who which whose >car had broken down in front of the shop
2) Mr Richards, < who which whose > is a taxi driver, lives on the corner
3) We often visit our aunt in Norwich < who which whose > is in East Anglia
4) This is the girl < who which whose > comes from Spain
5) Thank you very much for your e-mail < who which whose> x was very interesting.
6) What did you do with the money < who which whose >your mother lent you?