Please keep me informed_______ the change of your address as soon as possible.
#27280
A
of
B
for
C
with
D
by
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 __________ fire, all exits must be kept clear. 
#28612
A
In place of
B
Instead of
C
In case of
D
In spite of
He met his previous teacher ________ at abroad.
#25776
A
by any chance
B
by the chance
C
by chance
D
by a chance