Unit 4C, Grammar in Use, Exercise 2, page 68.0:00
We're having an environmental awareness day at school tomorrow.0:16
Environmental Awareness Day?0:21
It's a special day when we learn about all the things we should do to protect the environment.0:24
You know, how we can help to save the planet.0:29
That sounds interesting.0:31
Well, for a start, everybody should walk or cycle to school so that we don't pollute.0:35
And we must make sure we don't waste energy when we are there.0:41
To begin with, we remind everybody of what they can do to save energy.0:46
Like turning lights off in empty rooms, you mean.0:51
We have a rule that the last person to leave a room must turn off the lights and close the door.0:55
Why do you have to close the door?1:01
To keep the heat in, of course.1:03
You should never leave doors open because heat will escape.1:05
Goodness, I never thought of that.1:08
I think we have to have an environmental awareness day at my school too.1:11
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