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 2029

Only when he read the newspaper _____ the US President Obama would deliver a speech in his university.

A.he knew B.he had known
C.had he known D.did he know
登录免费查看答案和解析

OnlywhenhereadthenewspapertheU