Complete these sentences with the correct form o
the phrases in the box.
spend money ,use space ,waste electricity,
save time, waste water, save paper
1 I try to save paper by using old envelopes again.
2 Turn the tap off! You're ......... a lot of .....
3 Going by bus is very slow. You'll
if you go by car.
4 Don't
....! Please turn the lights off
when you leave.
5 My bedroom is very small but I'm very tidy and .....
the ...................... well.
6 I'm going to .....
................ all my birthday ..................... on
some new computer games.​