首页 / 高中英语 / 试题详细
  • 更新 2022-09-03
  • 科目 英语
  • 题型 未知题型
  • 难度 容易
  • 浏览 1707

The professor walked onto the platform and seated himself in a chair, ____ for answering questions.

A.had prepared B.being prepared C.preparing D.prepared
登录免费查看答案和解析

Theprofessorwalkedontotheplatf