I don't think _________ possible to master a foreign language without much memory work. 
#15638
A
this
B
that
C
its
D
it
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Wait a moment, I have _______ to tell you.
#57934
A
important something
B
something important
C
anything important
D
important anything
One of them hasn't prepared __ lessons very well.
#16988
A
one’s
B
his
C
their
D
our