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、短信提醒二、选择填空：
1. --Have you ever had such a pleasant time?
--____________________.
A. Yes. I did. B. No, I hadn’t. C. Yes, I had. D. Yes, I have.
2. He ordered the boy _______________ there.
A. to go not B. to not go C. not to go D. did not go
3. Since he came here last September, we _________ in trouble.
A. are B. were C. have been D. has been
4. He wanted __________ help raise money ________ Project Green Hope.
A. / ; for B. to ; for C. for ; for D. to ; to
5. He had ___________ much work to do that he couldn’t go out.
A. so B. such C. as D. or
6.Tom ___________ football when Mr Fat found him on the playground.
A. will play B. was playing C. has played D. plays
7.I haven’t taken an examination __________ 1992.
A. since B. for C. ago D. before
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