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 1943

The teacher was absorbed in writing something, only _____ now and then to refer to a book or another.

A.to stop B.stopped C.stopping D. having stopped
登录免费查看答案和解析

Theteacherwasabsorbedinwriting