Always turn off the ____.
tap
Always turn off the ________.
light
Plant _______ .
trees
Unfortunately many animal species are in ___________.
danger
Don't ____________ trees.
cut down
_______ water!
Save
__________ magazines, newspapers, bottles and cans.
Recycle
Air ____________ is a big city problem.
pollution
Don't throw _________ in the street.
litter
There are often ____________ on the city roads.
traffic jams
Save ________!
energy
Use _______________, not your car.
public transport
Don't forget to put bottles, paper and cans into ______________.
recycling bins