Question

【题目】We can keep in touch each other mail.

A. to; at B. with; by C. to; by D. with; at

Answer 1

【答案】B

【解析】句意：我们可以通过邮件保持联系。with介词，与…一起；固定搭配keep in touch with sb.，与…保持联系。by介词，通过，表示方式、方法。故选：B。