Unit 10

People are destroying the air by adding........... to it

• Polluters

• Pollutants

• Pollution

• Polluted

Human beings have a great influence...........the rest of the world

• In

• On

• With

• For

Many rare...............of animals are in danger of extinction

• Species

• Classes

• Being

• Pairs

National Parks are established to create the enironment for rare animals to survive and.............offspring

• Supply

• Increase

• Offer

• Produce

Dinosaurs became.............millions of years go

• Disappear

• Lost

• Extinct

• Endangered

Because of the...........of human beings, many animals have become extinct

• Interfere

• Interference

• Interfering

• InterInterferon

The authority gathered those villagers............they explained the importance of forests

• Who

• Whom

• To whom

• To that

The noise (come)......................from the boat engine might disturb sea animals.

The knife................we cut bread is very sharp

• With that

• Which

• With which

• That

Many animals are..........for their fur and other valuable parts of their bodies

• Hunted

• Chased

• Run after

• Followed