Mark: So what means of transport will students use to go to school?
Lan: (1) B. I think they will go by walkcar.||A. How many wheels will a walkcar have?||C. It is self-balancing.||D. What will it run on?
Mark: Walkcar? (2) A. How many wheels will a walkcar have?||B. I think they will go by walkcar.||C. It is self-balancing.||D. What will it run on?
Lan: Four.
Mark: How will it work?
Lan: You stand on it then turn on the switch and drive away.
Mark: (3) D. What will it run on?||A. How many wheels will a walkcar have?||B. I think they will go by walkcar.||C. It is self-balancing.
Lan: Electricity.
Mark: Won't riders fall off it? It sounds dangerous.
Lan: No, they won't. (4) C. It is self-balancing.||D. What will it run on?||A. How many wheels will a walkcar have?||B. I think they will go by walkcar.
Mark: I can't wait to get one.
