The fireman started to put out the big fire_____ arriving at the burning building.
#27053
A
by
B
on
C
at
D
in
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Whoever helps the poor, I’ ll be______ him/her. 
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A
in place of
B
in favor of
C
in common with
D
in search of
To pick up as soon as possible, Tom was advised to do exercise ________ a change in diet.
#27063
A
in addition to
B
in favor of
C
in response to
D
in return for