The sentences below need to be completed with where/whom/whose/who. Choose the right answer:

I - He doesn't know the age of the girl to.........he saw saturday night.

II - A church is a place.......... people pray a lot.

III - A doctor is a person .......... care the health of people.

IV - A father is a man.......... play the children a lot.

V - The school........ I studied was really fantastic.