首页 / 初中英语 / 试题详细
  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 428

If it had been possible, I would have helped him, but I ______ too busy.

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

Ifithadbeenpossible,Iwouldhave