1 It's a place in which athletes do exercises.
2 It's a period of time during which people are away from school or work.
3 It's a place from which books can be borrowed.
4 It's a place at which students can receive higher education/
5 It's a person to whom patients will go when they are ill.
6 It's a place at which films are shot.
7 It's a person from whom children will receive presents at Christmas.
8 It's a person with whom we have a good relationship.