16. Projects Abroad Vietnam is a non-governmental organization.

17. With 1,093 patents for his inventions, Thomas Edison is considered one of the greatest inventors.

18. The AbioCor artificial heart was initially implanted into a(n) patient in 2001.

19. Volunteering abroad is a(n) opportunity to share your skills, knowledge, and enthusiasm.

20. As a volunteer in the orphanage programme, you will be involved in teaching English and other subjects as well as helping them with their needs.

21. An LCD or liquid crystal display is a type of flat panel display commonly used in digital devices, for example: digital clocks, appliance displays, and portable computers.

22. Our volunteers work in orphanages and centers for children from poor slums of the city.

23. Volunteers try to teach street children to read and write so that they can contribute their parts to society.

24. Google Android is now the primary operating system for Samsung, Sony, LG and HTC phones, and accounts for over 80 per cent of the market worldwide.

25. The advanced computing capabilities of AI can speed up the processing and analysis of data for research and innovation.

IV. Fill in each blank with the correct to-infinitive form of the verb in brackets.

26. I hope (find) a good job after graduation.

27. She decided (learn) Spanish before traveling to South America.

28. He promised (return) the book to the library on time.

29. They plan (visit) their grandparents next weekend.

30. We need (buy) some groceries for dinner tonight.

31. She loves (listen) to music while studying.

32. He offered (help) me with my homework.

33. They agreed (meet) at the coffee shop at 2 pm.

34. I enjoy (read) books in my free time.

35. She suggested (watch) a movie together tonight.