803. REVIEW 02

You can't escape ......................... the fact that we are damaging the environment.

We're aware ................... the problems that this damage will cause in the future.

It's not going to be easy to save the Earth ............... destruction, but we have to try.

If you're serious ...................... helping to save the world, we must take action now.

We've got to prevent people ........................ polluting the planet further.

Are you worried .................... our planet?

If you're enthusiastic .................. fighting for the only planet we've got, then we want to hear from you.

There's been an increase ................... all kinds of pollution in the past hundred years.

If you stay ....................... , you do not go to a place or an event.

If you ...................... on an illness, you infect someone else with it.