Choose the best answer

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

Choose the best answer

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

Choose the best answer

“Don’t throw rubbish into the river because you will make it ________________“

Choose the best answer

 “Why do you often forget to ______the lights when you go out of the classroom?”

Choose the best answer

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

Choose the best answer

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

Choose the best answer

If we all use _________bags, we’ll help the environment.

Choose the best answer

If there is a rubbish bin in every class, the classroom will become ______.

Choose the best answer

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

Choose the best answer

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

Choose the best answer

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

Choose the best answer

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

Choose the best answer

to cut down something is to _______.

Match the words with suitable pictures