Choose the best answer

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

Choose the best answer

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

Choose the best answer

You shouldn’t use plastic bags to _____ food.

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

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

Choose the best answer

___________ is destroying large areas of tropical rain forest.

Choose the best answer

If we ______waste 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

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

Choose the best answer

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

Choose the best answer

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

Choose the best answer

to make a new thing from an old thing is _______.

Choose the best answer

to use a thing again is to __________.

Choose the best answer

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

Choose the best answer

We should give food for people _________ need to help them.

Choose the best answer

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