We have brought in a good grain harvest for three years_________.
#26888
A
on purpose
B
on end
C
on duty
D
on watch
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The husband and wife did agree ______ each other _______ it.
#27460
A
with, on  
B
with, of  
C
on, with
D
to, to
--- Did he break it accidentally? --- No, __________.
#26166
A
with purpose
B
by chance
C
on purpose
D
by mistake
We make sure we’re always well stocked up with candles, just ________. 
#28861
A
in case
B
for certain
C
in practice
D
for use