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1. I'm worried about my recent water bill.
2. You should get a plumber to make sure there are no cracks in the pipes.
3. Baths use twice as much water as showers.
4. A dripping faucet can waste 500 litters of water a month.
5. You should reduce the amount of water your family use.
6. Mrs.Ha suggested getting a plumber to check the pipes in the house.
7. I think we should take a shower instead of a bath to save energy.

8. Lighting accounts for 10 percent to 15 percent of the electricity bill.
9. The label tells the custormers how much energy efficiency each model has.
10. Solar panels are installed on the roof of the house to receive the energy from the sun.
11. We can save natural resources by using solar energy instead of coal,gas and oil.
12. She will pay less money if she uses two energy-saving bulbs.
13. Consumers want products which not only works effectively but also saves money.

14. If we go on wasting water, there will be a shortage of fresh water in a few decades.
15. Mrs.Yen forgot to turn off the faucet whwen she left for work.