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23. --- Victor ______ to me he would meet us at the crossing by 8 o’clock. --- But he _____ yet. That’s a bit strange.
A. does say… hasn’t turned off B. did say … hasn’t turned up
C. doesn’t say…didn’t turn out D. didn’t say… doesn’t turn in
24. You can’t go skating in your winter holiday _____ your parents _____ you to.
A. unless… agree B. unless… allow
C. until…agree D. until… allow
25. That terrible car accident _____ when I _____ my head teacher on the way to the Queen’s Hall.
A. came up… came into B. came out… came on
C. came about… came across D. came down… came along
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