He sat on his bed looking at his brother, _______ had his arms crossed and looked angry.
#77258
A
that
B
whom
C
who
D
which
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There are two rooms in the apartment, ________ serves as a kitchen.
#76323
A
the smaller of them
B
the smallest of which
C
the smaller of which
D
smallest of which
The doctor __________ she sent her friend is very well known.
#77142
A
by whom
B
at whom
C
whom
D
to whom