Complete the sentences with the correct question words

1. Wateraid and Oxfam are two charities
   [who|which|where|whose]
   the Glastonbury Festival supports.
2. Simon,
   [who|which|where|whose]
   is an expedition leader, agreed to take us on a tour of the jungle.
3. Jenny is the girl
   [who|which|where|whose]
   worked with poor children in India last year.
4. The favela
   [who|which|where|whose]
   the children live is one of the largest slums in South America.
5. John,
   [who|which|where|whose]
   brother is my best friend, is teaching street children in Brazil.
6. The snake
   [who|which|where|whose]
   we saw was one of the most dangerous in the world.