I got an email from Susan, _______________ said she was going abroad for sightseeing.
#77789
A
which
B
she
C
who
D
it
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The engineer __________ my father works is about 60 years old.
#75662
A
to whom
B
on whom
C
with whom
D
with which
This is the hotel ________ last month. 
#75614
A
which they stayed
B
at that they stayed
C
where they stayed at
D
where they stayed