4. They closed the door so that nobody would disturb them.
5. He wore a false beard so that no one would recognize him.
6. She built a high wall around her garden so that her fruit wouldn't be stolen.
7. Aeroplanes carry parachutes so that the crew can escape in case of fire.
8. I am insuring my life so that my children will have something to live on if I am killed.
9. Write your name in the book so that he doesn't forget who lent it to him.
10. The policeman stopped the traffic every few minutes so that the pedestrians could cross the road.
11. I put my address on my dog's collar so that anyone who finds him will know where he comes from.
12. You should carry a jack in your car so that you're prepared in case of a puncture.
13. Don't put any more coal so that the chimney doesn't catch fire.
14. The burglar cut the telephone wires so that I couldn't call the police.
15. The notices are written in several languages so that everyone can understand them.
16. He telephoned from a public call-box so that the call couldn't be traced to his own address.