1. My friend, .............. lives in Sweden, is studying biology at university.

who

that

where

when

2. Sara, .............. father is a well-known doctor, is my best friend at school.

which

whom

whose

that

3. My brother ................. lives in New York is going to visit us soon.

whom

whose

where

that

4. Our flat, ................. is on the fifth floor, overlooks the Nile.

which

that

whose

where

5. The person ............ does most of the cooking in our family is my mother.

who

whose

which

where

6. The nurse, ............. responsibility is to look after young children, has worked at the hospital for ten years

whose

who

that

where