Human facial expressions differ from those of animals in the degree ______ they can be controlled on purpose. 
#74447
A
with which
B
to which
C
of which
D
for which
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 ________, he has finished his job ahead of time.
#70431
A
As is expected
B
Which is expected
C
It is expected
D
It is as expected
She likes to use words ___ is clear to us.
#72149
A
of which meaning
B
whose of meaning
C
meaning of which
D
of which the meaning