21. It's the coldest winter they've ever had a. They've ever had such a cold winter b. They've ever had such cold winter c. They've never had such cold winter D this is the first time they had such cold winter

20. I have never read such an interesting novel before. a. This is the first time I have read such an interesting novel b. This novel is the best I have ever read c. This is the first time I read such an interesting novel d. This is the best novel that I read

19. I've never met such an intelligent woman a. This is the first time I haven't met such an intelligent woman b. It is the first time I've ever met such an intelligent woman c. It is the most intelligent woman I've ever met d. b & c are correct

1. Mr. Pike likes travelling. By the time he will be 60, he will have visited 15 countries.

A             B                        C                             D

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

14. Niagara Falls, on the border of the USA and Canada, is one of the most..... really 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 again before. (CORRESPOND) . 

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

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

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

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

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

13. Although the earthquake last only some seconds, but its terrified all the local people. (OCCUR) 14. Niagara Falls, on the border of the USA and Canada, is one of the most really 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 before. (CORRESPOND) among people much easier than again. It is so annoying! (CONNECT) than emails. (ADVANTAGE) 17. The Internet is 18. Snail mails seem less 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)