首页 / 高中英语 / 试题详细
  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1998

I know Mr. Brown;we __ to each other at an international conference.

A.are introduced B.have been introduced
C.were introduced D.had been introduced
登录免费查看答案和解析

IknowMr.Brown;we__toeachothera