问题
选择题
In those days, we had no phones, so we have to keep in touch _________ writing often.
A.with
B.of
C.on
D.by
答案
答案:D
by 在这里表示方式,by writing 意为“通过写信”,全句意为“我们通过经常写信保持联系”。
In those days, we had no phones, so we have to keep in touch _________ writing often.
A.with
B.of
C.on
D.by
答案:D
by 在这里表示方式,by writing 意为“通过写信”,全句意为“我们通过经常写信保持联系”。