1,He is the person whose car was stolen 

2,Do you know the music which is being played on the radio?

3,The car, which Mr Green was driving, was very modern

4,Atlanta, where the Olympic Games were held in 1996, is the city

5,The boys often go swimming on Sundays when they have much free time

6,She didn't tell me the reason why/for which  she left me 

1, He's the person whose car was stolen

2, Do you know the music which is being played on the radio?

3, The car which Mr. Green was driving was very modern 

4, Atlanta is the city where the Olympic Games were held in 1996

5, The boys often go swimming on Sundays when they have much free time

6, She didn't tell me the reason why she left me.