UNIT 5

3. to study again something you have already learned, in preparation for an exam:
6. an official record showing that you have finished a training course or have the necessary skills, etc.:
8. done alone:
9. to learn something so that you will remember it exactly:
10. a piece of work given to someone, typically as part of their studies or job:
14. a group of people who sing together:
15. relating to hearing:
17. the set of clothes typical of a particular country or period of history, or suitable for a particular activity:
18. a number or letter that shows how good someone's work or performance is:
20. a piece of equipment that you use with your hands to make or repair something:

1. a person who has finished their school, college, or university education:
2. teaching something, or relating to education:
4. to direct your attention or your efforts towards a particular activity, subject, or problem:
5. relating to seeing:
7. a word or expression used in relation to a particular subject, often to describe something official or technical:
11. the scientific study of the natural processes of living things:
12. (of something) that must be done; necessary by law or a rule:
13. relating to words:
16. the activity or skill of making clay objects by hand
19. a short piece of writing on a particular subject, especially one done by students as part of the work for a course: