互动封闭仿真课堂
1、智能交互 2、电子板书式视频教学 3、在线互动问答 4、封闭课堂启发式教学方式
随堂测试、知识梳理、易错点揭示、总结启迪智能错题本
听课中的错题能自动加入错题本,课后可方便复习及导出错题本升级服务
在线答疑、课后同类题练习、讲义下载、短信提醒5.When I talked with my grandma on the phone,she sounded weak,but by the time we________up,her voice had been full of life.
A.were hanging B.had hung
C.hung D.would hang
解析:选C。考查时态。指过去瞬间完成的动作,用一般过去时。
6、The food here is nice enough.
—My friend________me a right place.
A.introduces B.introduced
C.had introduced D.was introducing
解析:选B。考查时态。introduce介绍,由句意可知introduce动作发生在过去,故用一般过去时。