REVISION!

6. The process of making goods in large quantities, especially using machines.
8. A senior male student chosen to represent the students and help the teachers.
11. A teacher who takes the place of another temporarily.
13. A mixture of flour, water, and other ingredients used to make bread or pastry before it is baked.
15. A piece of evidence or information that helps to solve a crime, mystery, or puzzle.
16. A large, soft bed covering filled with feathers or synthetic material.
18. To be present at an event, meeting, or lesson.
19. A round, flat hat made of soft material, often worn tilted to one side.

1. store A large shop divided into sections, each selling a different type of product.
2. The scientific study of matter and energy and the relationships between them.
3. A woman who lives with a man and has a sexual relationship with him but has lower status than his wife or wives
4. Living or lasting forever; not subject to death.
5. To try to find out the facts about something in order to learn the truth.
7. A black substance made by burning wood slowly with little air; used as fuel, for drawing or as medicine.
9. Facts or signs that make you believe something is true or real.
10. To recognize someone or something and be able to say who or what they are.
12. The husband or wife of a ruler, especially a queen’s husband or a king’s wife.
14. A small piece of advice or a slight suggestion intended to help someone or to give a clue.
17. To let someone or something go free or to allow something to be made available.