51 Fill in the prepositions.

1 Nothing could prevent her ______buying a car.

2 Are you thinking ___leaving already?

3 I am responsible _____bringing you back safe.

4 They insisted _____ visiting all the rooms.

5 At last I succeeded _____backing the car in the parking place.

6 I thanked him again ____ lending me the car.

7 He saw no harm ____having a drink from time to time.

8 He did not object ____ being examined.

9 We suspected her ____ not telling the truth.

10 She could find out everything ____phoning.

SPEAKING

52 You and your partner want to get involved with an environmental group to protect natural environment in your town and around. Discuss with your partner questions below. Talk for 2 minutes.

• What ecological organizations are in your town?

• How urgent the problem of environment is?

• How important it is for you / for your town / for your country/ for the world?

• How effective your support would be?

• Are these organizations useful?

STOP AIR POLLUTION!

53 Look at the pictures. Compare and contrast them. Work with a partner.

Picture A

Picture B

54 Work in pairs. Make up a dialogue according to the situation and roles. Talk for two minutes.

You and your friend are in the shop where you see different fur coats.

Student A: You believe that it’s very cruel to kill animals for their skins. You will never buy a fur coat.

Student B: You think that killing animals is a natural process and fur coats made of animals’ skins are very beautiful.

WRITING

55 Work in pairs. Read the following information.

Your town is facing serious problems. The streets are full of rubbish, there are many cars, people keep cutting down the trees to make space for more buildings, the nearby river is being polluted with chemicals from the factories and people are suffering from breathing problems and stomach illnesses. Make a list of ways to improve the situation, explaining the results of each way.

Example: 1) Local authorities should improve public transport because people will not use private cars and the air will be much cleaner.

Video class

ELEPHANT EXHIBITION

1 You are going to watch an episode about elephant exhibition “Nature’s Great Masterpiece”. Before watching discuss the points with other students.

• Have you seen an elephant recently? Where did you see one?

• W here do elephants live? Where do they come from?

• What are the differences between African and Indian elephants ?

• Why are elephants under threat of extinction?

• Why are elephants called natures great masterpiece?