A)I used to live in a small house _____________ was in the corner. *
1)who
2)whom
3)which

B)Peter doesn´t really know ___________ donated him the money. *
1)who
2)whom
3)which

C)We need to know to ______ is that letter referred.
1)who
2)whom
3)which

D)That is the school in ______ I spent all my childhood.
1)who
2)whom
3)which

E)Dr. Smith , _______ career was very brilliant, is now retiring.
1)whose
2)who
3)which
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