1. Be careful to cover the electricity sockets for the safety of the children. (electric)

2. Every household in my neighborhood has at least a TV set. (house)

3. Hard work always brings success. (succeed)

4. She is often worried about the safety of all electric appliances in her house. (safe)

5. In order to save electricity , remember to turn off all the lights in the room before you leave. (electric)

6. You should obey the safety regulations at the hospital yesterday. (safe)

7. The injured victims were sent to the hospital yesterday. (injure)

8. You have to keep all dangerous object out off the children’s reach. (danger) 9. A kitchen is not a suitable place to play. (suitability)

10. Heat gradually destroys vitamin C. (destruction)

11. It’s a marvelous idea for children to do some working at early age. (marvel)

12. Most teenagers like taking part in community service. (communal)

13. Warm clothes are unsuitale for hot weather. (suit)

14. The destruction of atom bomb is very terrible. (destroy)

15. You must put all the chemical in a cupboard. (chemistry)

16. These are some safety precautions in the home. (safe)

17. I’m going to the shop for a rice cooker. What brand do you recommend ? (cook)

18. He works as a(n) electrician. (electricity)