您的位置: 首页 > 作业答案 > 英语 > We keep in touch with each other____ letters.A.in B.with C.by D.use

We keep in touch with each other____ letters.A.in B.with C.by D.use

分类: 作业答案 • 2021-12-28 14:14:50

问题描述：

We keep in touch with each other____ letters.A.in B.with C.by D.use

答

C
by后接交通工具或无形的手段