A. likes B. Safety. C. Danger. Dislikes.
A. Education. B. Document. C. Payment. D. Action.
A. Idea. B. Work. C. Dream D. Opinion.
A. Internetconnectivity. B. Driverlessvehicles. C. Physicaldevices. D. Bigdata.
AI. B. TV. C. PPT. D. WIFI.