职教组卷基于海量职教高考试题库建立的在线组卷及学习系统

网站首页帮助中心注册

当前：英语

题型：英语知识运用题类：期末考试难易度：难

测

Hardly ________ when she ________ someone knocking at the door．（　　）

A. did she sit，heard B. did she sit，had heard C. had she sat，had heard D. had she sat，heard

相关试卷

微信服务号

联系电话

18165375674