Unit 4

4. To remain alive after the war.
6. Something that help you or gives you and advantage.
8. If you go on a _________________, you travel from one place to another.
12. New discoveries and inventions.
15. The _____________ between two points or places is the amount of space between them.
17. To go or look through carefully in order to find something.
18. It is any instrument or simple piece of equipment that you hold in your hands and use to do a particular task.
19. Your dog go around you.
20. A ________________ machine or substance is effective because it is very strong.

1. If you ________________ something somewhere, you open it out or arrange it over a place or surface, so that all of it can be seen.
2. Not controlled or ruled by anyone else.
3. Whole
5. If you _____________ someone, you are able to recognize them or distinguish them from others.
7. The top or outside part of something.
9. An official group or people or person who are / is sent somewhere, usually to discover information about something.
10. If you _____________ someone, you telephone them, write to them or go to see them in order to tell or ask them something.
11. A _______________ is a piece of information or a request that you send to someone or leave for them when you cannot speak to them directly.
13. Give permission to or for.
14. A substance used to cure an illness or injury.
16. Someone who live next door.