2. A communication breakdown between two people from different countries may happen due to _____________ differences. (CULTURE)

3. When a policeman directs traffic, he often uses his arms to tell drivers where to go and when to stop. This is _____________ communication. (VERBAL)

4. Using telepathy is a way to communicate instantly by thoughts and feelings, without the need to use speech or _____________. (WRITE)

5. Students need the _____________ to communicate with people within their team. (ABLE)

6. Could you tell that person was angry just by looking at his or her _____________expression? (FACE)

7. This lesson will focus on _____________ communication skills. (EFFECT)

8. The technology can be used to produce _____________ educational programs. (INTERACT)

9. In free time, Nga often communicates _____________ with her cats. (NON - VERBAL)

10. Nowadays, many young people are using _____________ media such as Facebook, Twitter, Zalo. (SOCIETY)

11. The _____________ are very concerned about the increasing number of wildfire in this year. (ENVIRONMENT)

12. Examples of primary _____________ are exhaust fumes from cars, soot from smoke and ash from volcanic eruption. (POLLUTE)

13. Although the earthquake last only some seconds, but its _____________ really terrified all the local people. (OCCUR)

14. Niagara Falls, on the border of the USA and Canada, is one of the most _____________ sceneries in the world. (SPECTACLE)

15. Different kinds of environmental pollution in recent years have destroyed many _____________ habitats. (NATURE)

16. The birth of emails has made the_____________ among people much easier than before. (CORRESPOND)

17. The Internet is _____________ again. It is so annoying! (CONNECT)

18. Snail mails seem less _____________than emails. (ADVANTAGE)

19. Being_____________ to watching TV or videos may leads to many health problems among teenagers. (ADDICT)

20. The Telegraph was one of the most well-known _____________in the 20th. (INVENT)