In those days, we had no phones, so we have to keep in touch _________ writing often.
#28930
A
with
B
of
C
on
D
by
推荐题目
 A friend of ______ went to the railway station to see ______.
#26217
A
Rebecca;her off
B
Rebecca; off her
C
Rebecca’s; her off
D
Rebecca’s; off her