UNIT TEST EFK 6 (UNIT 1-3)

1

• clean air
• litter
• green areas

2

• garbage cans
• pollution
• traffic jam

3

• ride bikes
• take public transportation
• plant trees

4

• space
• moon
• underwater

5

• charge our cars
• own robots
• use holograms

6

• space elevator
• flying car
• jetpack

7

• gravity
• Pluto
• oxygen

8

• cement
• light bulb
• thermometer

9

• Eiffel Tower
• Golden Gate Bridge
• Empire State Building

10. The elevator was invented __________ Elisha Otis.

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