—_____do you improve your listening? —I improve it ______ listening to tapes.
#50028
A
How; with
B
What; with
C
How; by
D
What; by
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If people change the wetlands to make space____ farms, the birds will not have enough space _____.
#48303
A
for, to live
B
for, to live in
C
from, living
D
to, living in
Perhaps more people will travel in our city__________in the future.
#46858
A
in taxi
B
by the taxi
C
to the taxi
D
by taxi