1. D) It has got one of its limbs injured.
2. C) Its videos Were posted on social media.
3. A) The distance travelled.
4. D) Rush-hour traffic is worsening.
5. B) He helped a stranger to carry groceries to his car.
6. C) He raised a large sum of money for him.
7. B) He is an excellent student at school.
8. A) Attended an economics lecture.
9. C) Attend his brothers birthday party.
10. D) Join him in his brother's birthday celebration.
11. B) By train.
12. A) Taking a vacation abroad.
13. C) Working part time as a waiter.
14. B) Save enough money.
15. A) He has rich sailing experience.
16. D) She was also a Nobel Prize winner.
17. B) She developed X-ray facilities for military hospitals.
18. A) Both died of blood cancer.
19. C) They discovered Iceland in the ninth century.
20. D) It was a rocky mass of land covered with ice.
21. A) The Vikings' ocean explorations.
22. C) Dream about the future.
23. B) Change what he has for his past imaginary world.
24. D) International business.
25. C) Be content with what you have.