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Waste water.
Cut down too
many trees.
Pollute our environment.
Waste food.
We should
sort the garbage
We had better ride bicycles instead of other vehicles if we travel a short distance.
We are supposed to bring our own cloth bag when shopping
We ought to turn off the electricity when leaving a room
[??lek?tr?s?ti]
shut off
[kl??θ]
[?d?st?ns]
turn off the tap
in time
use energy-saving lamps
use chopsticks and spoons which can be used only once
use both sides of the paper
A:What should we do to be greener people?
B:We should(not) …/We ought (not) to …
one-off
2 Choose the correct verbs or phrases to complete the statements. Then match them with the right pictures.
shut off reduce grow recycle ride cover use
______ waste. Don’t buy cups or boxes which can be used only once.
Save electricity. ________ the electricity when you are not using it.
________ boxes and plastic bottles.
________ fruit and vegetables yourself.
Try to ________ a bike when you travel.
_________ both sides of the paper.