Misunderstood animals

____ are beneficial to humans.

• Pests

• Bees

Some snakes are ____

• filthy

• poisonous

We ____ the environment when we cut down trees.

• destroy

• conserve

The rubbish smells terrible. It's ___

• crucial

• disgusting

Crocodiles can be ____ if their babies are in danger.

• aggressive

• crucial

Cities try to ___ the number of pigeons living there.

• control

• decay

____ are all around us. We must try to be clean.

• Stings

• Germs

Cats and dogs are ____ pets in many places.

• popular

• unpopular