Use the phrases to complete the sentences.

1. Make sure you've used both sides of the ... before you recycle it.

2. It is essential that we try to cut down on ... in order to save the planet.

3. A ... usually consists of a sandwich, a piece of fruit and a drink.

4. It's a pity that most people don't seem to realize that ... can be used to make compost.

5. My grandfather never needs to buy fertilizer for his garden as he has a large ... .

6. Don't buy anything that comes in ... .