Question 10. This is Linda's hat, and those shoes are
B. hers
Question 11. Skycycling tubes will be easy
D. to ride
Question 12. I think we ..... have electric taxis very soon.
C. will
Question 13. Every day over 1,000 new cars add to the city and the city of over 20
million people is getting more and more
D. gridlocked
Question 14. Which ..... of transport do you think will be used in the future?
B. means
Question 15. A jet pack doesn't
A. occur
Question 16. The city is facing serious..... problems.
A. pollution
Question 17. We will use more...energy in the future.
C. solar
Question 18. We are looking for types of vehicles that help us to avoid
B. traffic jams
Question 19. We believe that urban transport pods can travel..... around 30kph.
A. in
Question 20. People won't use flying cars...... the year 2050.
D. until