These cars don't need drivers. ___ cars.
Self-driving
This is one of the fastest planes in the world.
supersonic jet
I'd like to travel to the stadium by _____.
hoverboard
I'd like to travel to school by ____
jetpack
This is also long, but it usually travels inside a city.
monorail
People can ride on a ( self-driving / magnetic ) train or a " maglev"
magnetic
Cars and taxis that travel in the sky. _____ cars.
Flying cars
This is like a skateboard, but it doesn't have wheels.
hoverboard
This goes much higher than a plane.
spaceship
These take people high above the clouds. s_____ j ___, s______
supersonic jet, spaceship
Only one person can use these. j___, h_____
jetpack, hoverboard
Carmakers are making more ( self-driving / electric ) cars and trucks. They're very quiet.
electric
When you put this on your back, you can fly in the air.
jetpack
These have many doors to get in and out quickly. m______, h___-s____t_____
monorail, high-speed train
This is very long, and it travels quickly from city to city.
high-speed train