—Guess, how much does it cost?—I think it costs       15 and 20 dollars. 
#50233
A
from
B
between
C
among
D
with
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He is very ______and he always explains things _____us.
#50292
A
impatient , to
B
impatient , with
C
patient , to
D
patient , for
What’s this ________ Chinese?
#48358
A
in
B
at
C
of
D
on