Choose the correct item. 1 A vet is someone ....... treats sick animals. A whose B which C who 2 The girl ....... lives here is Nikki's sister. A that B which C whose 3 I met a girl ....... mother is a famous actress. A who B whose C that 4 Tom is very reliable. That's....... I like him. A where B when C why 5 That's the clinic ....... Christina works. A where B when C which