| A | B |
|---|
| 1. proof (n) | to treat a material |
| 2. refugee (n) | 2. someone who has been forced to leave their country |
| 3. predict (v) | 3. to say that something will happen, before it happens |
| 4. dramatically (adv) | changing a lot |
| 5. prosper (v) | 5. people or businesses prosper, they grow and develop in a successful way |
| 6. retreat (v) | 6. to move away from the enemy after being defeated in battle |
| 7. occur (v) | 7. to happen or exist in a particular place or situation |
| 8. actually (adv) | 8. used to add new information to what you have just said |
| 9. harvest (n) | 9. the time when crops are gathered from the fields, |
| 10. plunge (v) | to move or fall |
| 11. crop(n) | a plant such as wheat, rice |
| 12. famine (n) | little food for long time |
| 13. struggle (v) | tryhard to achieve something |
| 14. recovery (n) | process of getting better |
| 15. agreement (n) | An arrangement or promise to do something |
| 16. glacier (n) | a large mass of ice |
| 17. cause (v) | to make something happen |
| 18. therefore (adv) | as a result of something |
| 19. during (prep.) | from the beginning to the end |
| 20. look back (v) | to look to the past |
