Do you know the answer _______ this question?
#47479
A
of
B
for
C
in
D
to
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Mr. Black is strongly _______keeping animals in the zoo, because he thinks animals should also have the right to enjoy freedom.
#46206
A
up
B
for
C
against
D
down
Is it important ________us __________ learn English well?
#48822
A
for, learning
B
for, to learn
C
of, learning
D
of, to learn