48. Robots can drive police ............... and take pictures. *
2 điểm
A. planes
B. ferries
C. bikes
D. cars
49. Robots cannot fly now, but they can fly in the.............. *
2 điểm
A. past
B. recent
C. future
D. ancient
50. A person stops the talk in the end is.............. *
2 điểm
A. a woman
B. a man
C. a young boy
D. a young girl