II. Choose the correct answer. 6. Driverless cars have already , and they look so cool. A. gone B. travelled C. exist D. existed 7. If I have a jet pa

II. Choose the correct answer.
6. Driverless cars have already , and they look so cool.
A. gone B. travelled C. exist D. existed
7. If I have a jet pack. I will use to fly anywhere easily.
A. my B. mine C. his D. their
8. I think teleportation is only .
A. imagine B. imaginary C. imaginable D. imagining
9. Do we need much to park that kind of vehicles?
A. land B. ground C. soil D. space
10. Do you think it will be (an) , green way to travel?
A. convenient B. inconvenience C. polluting D. polluted
11. I think in the future cities will be more crowded and the traffic will get .
A. good B. well C. worse D. wors
12. Which is the best of transport for the future?
A. mean B. means C. traffic D. ways
13. Sidewalks are to moving walkways in airports.
A. familiar B. similar C. different D. same
14. We are looking for cheap, clean, sources of energy.
A. polluting B. harmful C. expensive D. effective
15. We should try to reduce energy as much as possible.
A. production B. producers C. consumption D. consumers
16. Solar energy is and it can be replaced easily.
A. new B. renew C. renewable D. non-renewable
17. For many people living in rural areas, biogas is a cheap energy available.
A. method B. production C. supply D. consumption
18. Sources of energy will be used more for our future.
A. effective B. efficient C. effectively D. efficiently
19. regular light bulbs with low energy light bulbs, which use less energy.
A. Turn B. Replace C. Place D. Put
20. Don’t forget to the lights when leaving a room or going to bed.
A. turn B. turn on C. turn off D. turn out
21. The use of biogas for cooking in the countryside.
A. will increase B. will be increasing C. will be increased D. will have
22. The digital camera belongs to Nick. That camera is .
A. him B. he C. his D. one
23. Is this schoolbag ?
A. you B. your C. yours D. them
24. There are more problems in the slums than in the areas.
A. wealth B. richness C. wealthy D. country
25. is quite popular in an overcrowded city where you can see people sleeping in a park or under a bridge.
A. Homeless B. The homeless C. Homelessly D. Homelessness