互动封闭仿真课堂1、智能交互 2、电子板书式视频教学 3、5分钟一次互动问答 4、封闭课堂
1. It's seven thirty. I_________ go to school.
A. have got B. have got to C. got to D. had got to
2. The boy bought a new dictionary__________ he turned for help.
A. from which B. into which C. which D. to which
3. This is the first time that I_________ at the meeting.
A. had spoken B. have spoken C. am D. was
4. His whole school education ________ only 2 years because of his illness.
A. added up B. added up in C. added up to D. was added up