(2014·山东实验中学二模)—May I trouble you with the question?—Sorry，but it is________my knowledge.
#25139
A
from
B
off
C
beyond
D
to
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His money had not brought happiness and perhaps it had contributed________ his strange sense of values.
#27550
A
up
B
for
C
as
D
to
I have offered to paint the house ____ a week’s accommodation.
#27337
A
in exchange for
B
with regard to
C
by means of
D
in place of