It is not enough only________ the rules of grammar if you want to learn English well.
#84021
A
keeping in the mind
B
to keep in mind
C
to keep in your mind
D
keeping in your mind
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We want to encourage the students ________ the teaching.
#65474
A
to participate in
B
participate in
C
participating
D
participate to
By law, doctors are banned       the kickback(回扣).
#65172
A
to accept
B
to be accepted
C
from being accepted
D
from accepting