Part 2: Choose the best answer (A, B. C or D) to complete the sentences:

1. I think that using biogas is abundant and _________

A. limited

B. polluting

C. cheap

D. exhaustible

2. You shouldn't watch this film _____________it's violent..

A. so

B. because

C. although

D. but

3. The teacher is ______________a talk about how to save energy.

A. doing

B. taking

C. giving

D. making

4. Disneyland in California is one of _________ biggest entertainment centers in the world.

A. an

B. a

C. the

D. x

5. She turns _________ electrical appliances when not using them.

A. on

B. off

C. down

D. up

6. Electric cars are becoming popular nowadays due to theirs _________ features.

A. polluting

B. eco-friendly

C. inconvenient

D. expensive

7. Wind, hydro and solar are __________ energy sources.

A. modern

B. renewable

C. non-renewable

D. new

8. Scientists are looking _________ a new energy source to replace coal.

A. at

B. up

C. after

D. for

9. Using non-renewable energy sources like coal, oil _________ a lot of carbon dioxide.

A. makes

B. does

C. uses

D. produces

10. __________ the silly story, many people enjoyed the film.

A. Although

B. In spite of

C. However

D. Nevertheless

11. When energy comes from the sun, we call it_________energy.

A. solar

B. wind

C. water

D. coal

12. We try to make the future green by using vehicles or kinds of energy that are ______

A. environmentally friendly

B. environment friendly

C. environmentally friendship

D. environmental friendly

13. Traffic accidents can be prevented if people __________ the rules.

A. remember

B. obey

C. go after

D. take care of

14. What is _______most popular sport in canada?

A. a

B. the

C. an

D. these

15. We are looking for types of vehicles that help us to avoid ____________.

A. walking

B. traffic jams

C. rush hours

D. traffic

16. A friend of __________ corning to stay with me next month.

A. me

B. my.

C. I

D. mine

17. It's really difficult to __________ a bicycle up the hill.

A. fly

B. drive

C. pedal

D. sail

18. Will we be able ________inhabit Mars?. Nobody knows for sure.

A. on

B. to

C. for

D. from

19. With teleportation, you disappear at a place, and then ____ inanother place seconds later.

A. reappear

B. reappears

C. appears

D. appeared

20. Many children don't usually like documentaries _________ they are often boring.

A. because

B. and

C. but

D. so