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 237

His mother looked very tired,for she _____ the house herself all day.

A.had cleaned B.has been cleaning C.had been cleaning D.has cleaned
登录免费查看答案和解析

Hismotherlookedverytired,forsh