For many online shops, the price of their products can be decreased _______ 30% in the holiday seasons.
#25395
A
to
B
of
C
by
D
on
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The old man put on his glasses       see better.
#26717
A
on purpose
B
in order that
C
so as
D
in order to
 He is always helping people without expecting anything _____.
#26277
A
in common
B
in turn
C
in danger
D
in return
.His English composition is good _____some spelling mistakes.
#27404
A
besides
B
except
C
except that
D
except for