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 较易
  • 浏览 656

Had I known about this computer program, a huge amount of time and energy.

A. would have been saved B. had been saved
C. will be saved D. was saved
登录免费查看答案和解析
相关知识点

HadIknownaboutthiscomputerprog