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 中等
  • 浏览 807

【2015·陕西】Mary      really hard on his book and thinks he’ll have finished it by Friday.

A.worked B.has been working C.had worked D.has worked
登录免费查看答案和解析

【2015·陕西】Maryreallyhardonhisbo