1. We can no longer have confidence in the quality of the air we ……………….

2. You should put your rubbish in the……… and clean it as there is a lot of bacteria inside.

3. Most people nowadays are aware of some of the …….. rules of healthy living.

4. It’s illegal to use the fire alarm except in case of ……………….. .

5. A few years ago, she …………………. a serious lung disease.

6. My friend was given ……….….. by a medical doctor, to save his life.

7. Restaurants are closed if they fail to maintain minimum standards of ……… .

8. There were four or five boxes …………….. toys and books.

9. Plants need sunlight, water and good …………. to grow well.

10. My mum tells me to change the ……………… on my bed once a week.

11. I can’t stop sneezing because I have an ………………………….. to your pets.

12. Bacteria like to………. in warm, wet places like a kitchen sponge.

13. Protestors threw stones at police, who …………….. with rubber bullets.

14. Air …………………… has reached dangerous levels in some cities.

15. The public was not aware of the …………… from nuclear tests in Korea.