Choose the best answer (A, B, C or D) to complete each of the following sentences.
1. We can reuse things like _______ .
2. People throw away millions of _____every year.
3. Will you _________, please?
4. Billions of ________ are thrown away every year all over the world.
5. Things like________ can be reused.
6. We can recycle old clothes and make them into______.
7. Don’t throw that old _______away. We can decorate it to make a flower vase.
8. I think you should ________ to save water.
9. We should ____________to prevent pollution.
10. We will buy __________ for our class.
