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13. Tom wants to try _____some of his ideas.
A.on B.off C.out D.to
14. Could you tell me if it _____tomorrow？
A. rain B.will rain C.raining D.rains
15.Do you know ______ at the bus stop？
A. whom they are waiting for B.who they are waiting
C. whom are they waiting for D.who are they waiting
16. The teacher asked all the students in the class to keep their eyes ______.
A. close B. to close C. closing D. closed
17. ______ there any good news in today‘s newspaper？
A.Are B.Is C.Have D.Has
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