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65. Don't go out to play. You ________ finish your homework first.
A. must B. have C. had D. had to
66. Could I ________ ten yuan from you? I will give it to you next week.
A. borrow B. give C. send D. help
67. He needs ________ his room. A. to clean B. cleaning C. cleans D. clean
68. I could ________ my bed and ________ my clothes.
A. make; fold B. make; do C. fold; do D. fold; wash
69. ―Did you go to the zoo yesterday? -________. A. Yes, I didn't B. No, I didn't
71. ―Were there any sharks in the aquarium? ―________.
A. Yes, there were B. No, there wasn't C. Yes, there was D. No, there were