We should ( turn off / turn on ) the lights when we don't use them.
turn off
You shouldn't ( save / waste ) water if you want to protect the environment.
waste
We should ( use / cancel) public transportation.
use
We (should / can't) use paper bags to save the environment.
should
You should ( unplug / plug ) the TV when you aren't watching anything.
unplug
We should ( cut down / plant ) trees.
plant
We ( should / shouldn't ) use solar energy.
should
You (should / shouldn't) recycle glass, metal or paper.
should
You ( should / shouldn't ) use eco-friendly bulbs to save electricity.
should
We ( should /shouldn't ) use filters because it reduces air pollution.
should
When you brush your teeth, turn off the .....
tap/faucet
lights
Taking a shower is better for the environment than taking a bath.
True
False
Ride your _______ or walk to school.
car
bike
Recycle ________, newspapers, cards, and cardboard!
paper
water
Turing off the light when we leave the room helps the environment.
True
False
Give old _________ to charity.
clothes
plastic bags
