Unit 11 - Greener world

If people turn off all electric appliances in one hour all over the world, they can save lots of ___________.

• electric

• electrical

• electrician

• electricity

"Don't throw rubbish into the river because you will make it ________________"

• greener

• dirty

• cleaner

• fresher

My brother and I will give last year's clothes to ___________instead of throwing them away.

• shop

• people

• charity

• survey

If more people cycle, there will be less air ______.

• pollute

• pollution

• unpolluted

• polluted

It is a good idea to _________our clothes with our friends or cousins.

• change

• swap

• turn

• send

"Reduce, reuse, recycle" is said to encourage people to waste less, by using less and using things again, in order to _________the environment.

• harm

• damage

• pollute

• protect

You should put the food in a reusable box __________plastic bags.

• by

• instead of

• because of

• without

You shouldn't use plastic bags to _____ food.

• cook

• throw

• wrap

• take

If we use __________paper, we will save a lot of trees.

• fewer

• less

• more

• much

If we ______waste paper, we will save a lot of trees.

• repeat

• recycle

• rewrite

• remake