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 1239

Without electronic computers, much of today’s advanced technology         achieved.

A.must have been
B.could have been
C.should have
D.would not be
登录免费查看答案和解析

Withoutelectroniccomputers,muc