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19. We gave Alice and Tom a dish made of s________ as a wedding present.
20. He is tired of being treated like a s_______.
21. The __________(有魔力的) tools are popular with young children.
22. He never listens to anything ， expect when it _____ _________ _____(有关系)himself
23. We ______ ______(曾经)work more than ten hours a day.
24. We achieved victories _______ _______ ________(一个接一个地)。
25. I went to see my grandfather __________________________(每两周)。
26. He decided to travel by car ____________________(而不是) by train.
27. If you make a ________(诺言)， you should try to keep it.
28. ______ ______ (举办) the Olympic is a rich prize for a country.
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