Allow children the space to voice their opinions, ____ they are different from your own. 
#31756
A
until
B
even if
C
unless
D
as though
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Doctor Smith has made another wonderful discovery, _______ great importance. 
#30394
A
which I think is of
B
which I think it is of
C
which is I think
D
I think which is
 _________ many times, but he still couldn’t understand it.
#32413
A
Having been told
B
Though he had been told
C
He was told
D
Having told