11. People won't use flying cars.
B. after
A. pollution
the most serious problem?
B. polluted
13. We believe that urban transport pods can travel
A. with
B. at
G. in
price will increase next month?
C. fuel
energy in the future.
C. sun
A. before
12. Is
14. Do you think the
A. fossil fuels
15. We will use more
A. solar
16. A jet pack doesn't
A. have
17. Which
B. gases
B. sunny
the year 2050.
19. The Segway, which is a
A. two-wheels
a lot of space.
C. during
C. pollute
D. until
D. pollutant
around 30kph.
D. on
D. natural gases
D. sunlight
B. bring
C. take
of transport do you think will be used in the future?
B. meaning
C. meanings
18. We are looking for types of vehicles that help us to avoid
A. mean
A. traffic
B. traffic jams
C. rush hours
D. occur
D. means
D. walking
vehicle, will be a success.
C. two wheel
B. two wheels
20. With the Segway, the driver pulls the handle to go back or pushes it to go
A. forward
B. backward
C. round
D. fly
ercise 3 Complete tho
D. two-wheel
to the first (1)