Is it important ________us __________ learn English well?
#48822
A
for, learning
B
for, to learn
C
of, learning
D
of, to learn
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The government stops businessmen（商人）from providing teenagers ____ cigarettes (香烟).
#48585
A
for
B
and
C
with
D
to
The students sometimes complain about their new teacher because he is too strict ____ them.
#50473
A
with
B
in
C
to
D
about