We can take a ....
bus
We can take a ...
train
We can ride a ...
bike
We can ride a ...
a scooter.
We can use a ...
skateboard.
We can unplug the ...
cellphone.
We can unplug the ...
T.V.
We can turn off the ...
washing machine.
We can turn off the ...
lamp.
We can use...
roller skates.
We can use ...
natural light.
We can use ...
led spotlights.
We can use ...
led lamps.
We can walk ...
to the mall.
We can walk ....
to school.
We can walk ...
to work.
