It's important that we f_______________ (= give something to eat) the birds which stay here in winter.

Small fish have to move very fast to e_______________ (= to run away from) sharks.

There was fog on the road to New York. FOGGY It ______________________________ on the road to New York.

A human b_______________ (= the body organ that we use to think) uses about 20% of the energy that our bodies produce.

Some scientists believe that our ______________ changes when we become older. INTELLIGENT

Buying r_______________ed (= changed in a special process that makes it possible to use it again) paper is a good start to protect the environment.

It rarely snows in _______________ Spain in the winter. SOUTH

Don’t leave any electrical devices on when you go out. OFF ______________________________ all electrical devices when you go out.

It was a cold _______________ day so we stayed at home all afternoon. FOG

Old cars make the problem of air _____________ much worse. POLLUTE

A cheetah tried to escape from London Zoo last night. AWAY A cheetah tried to _______________________ _________ London Zoo last night.

We have to protect w_______________ (= animals, birds and insects) in the rainforest.

I always take an umbrella on a _____________ day. RAIN