In those days, we had no phones, so we have to keep in touch _____ writing often.
#27619
A
with
B
of
C
on
D
by
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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
The hostess left the money on the table _____purpose to test the honesty of her maid.
#27162
A
with
B
in
C
on
D
for