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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
B. gases
17. Which
B. sunny
the year 2050.
a lot of space.
B. traffic jams
C. during
C. pollute
D. until
vehicle,
D. pollutant
around 30kph.
D. on
D. natural gases
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
C. rush hours
19. The Segway, which is a
will be a success.
A. two-wheels
B. two wheels
C. two wheel
20. With the Segway, the driver pulls the handle to go back or pushes
A. forward
D. sunlight
D. occur
D. means
D. walking
D. two-wheel
it to go.
D. fly
B. backward
C. round
ercise 3. Complete the second sentence so that it has a similar meaning to the first. (1.0