Question

【题目】Weixin（微信） chatting on the mobile phone by many people, and it’s very helpful.

A. is used for B. is used to C. is used as

Answer 1

【答案】A

【解析】

试题分析：句意：微信被许多人用来用手机聊天，并且很有帮助。此题考查固定短语，A被用来；B习惯于；C被当作。根据句意，故选A。