1. Volunteer doctor
2. Understand eye surgery
3. Teach you geography
Through kinescope 4.
5. He through self-study methods of learning mathematics
6. Difficult work
7. Needs rapid work
8. Such an important science
9. Must be very grateful to you for your help
10. Help people sight
11. Remember for so many words are proud of that
12. For our motherland proud
13. For our motherland proud
14. The other stuff
15. Modern medicine
16. Treatment eye disease
17. Improve the patient's life
18. Continue their work
19. Eye have problems
20. Blindness cases
21. Prevent eye disease
22. To improve the children's lives
23. Will the world a better place
24. Must be able to accept education
25. Goodwill
26. Work far away from home
27. A long time work
28. The unusual way of life
29. Learning
30. A long process