ANSWER KEY

UNIT 1: A LONG AND HEALTHY LIFE

LANGUAGE
I.
1. B 2. A 3. D 4. D 5. B
II.
1. A 2. C 3. B 4. A 5. B
6. C 7. B
III.
1. treatment 2. strength
3. infection 4. fitness
5. poisoning 6. expectancy
7. improperly
IV.
1. C 2. A
V.
1. D 2. B
VI.
1. B 2. C 3. B 4. A 5. D
VII.
1. met up 2. grew 3. have changed 4. was 5. has become
VIII.
1. A → took
2. B → downloaded
3. D → have already bought
4. B → have tried
5. B → replaced

SKILLS
I.
1. A 2. D 3. C 4. B 5. C
II.
1. T 2. F 3. F 4. T 5. T
III.
1. C 2. A 3. D 4. A 5. B
IV.
1. C 2. A
V.
1. B 2. A 3. C
VI.
1. A 2. D 3. C 4. A
5. C 6. D 7. A

UNIT 2: THE GENERATION GAP

LANGUAGE
I.
1. C 2. D 3. A 4. A 5. B
II.
1. A 2. B 3. C 4. C
5. D 6. A 7. D
III.
1. generation/ generational
2. Traditionalists
3. conflicts
4. prepared
5. collaborative
6. digital
7. independence
IV.
1. A 2. C
V.
1. D 2. B
VI.
1. should 2. have to
3. should 4. shouldn't
5. mustn't
VII.
1. A 2. B 3. D 4. C 5. C
VIII.
1. C → should be
2. A → spend
3. C → expect
4. A → mustn't/ must not
5. C → have to
SKILLS
I.
1. D 2. B 3. D 4. A 5. C
II.
1. B 2. A 3. C 4. C 5. A
III.
1. F 2. F 3. T 4. T 5. T
IV.
1. D 2. B
V.
1. C 2. B 3. A
VI.
1. B 2. B 3. A 4. C 5. B
6. A 7. D

UNIT 3: CITIES OF THE FUTURE

LANGUAGE
I.
1. He bought‿a house‿in the city centre.
2. This‿is the most beautiful skyscraper‿I've‿ever seen.
3. With the help‿of technology, we can save more‿energy for production.
4. A lot‿of city dwellers now use their‿own cars to travel to work.
5. The high-rise building attracts‿a lot‿of people.
II.
1. B 2. A 3. D 4. A 5. C
6. D 7. A
III.
1. efficiently 2. liveable 3. Sustainable 4. privacy 5.
emissions
6. neighborhood 7. renewable
IV.
1. B 2. D
V.
1. A 2. C
VI.
1. B 2. D 3. A 4. C 5. A
VII.
1. looks 2. are looking 3. am not feeling 4. modern 5. idea
VIII.
1. A → is having
2. A → believe
3. A → is getting
4. B → polluted
5. B → beautiful

SKILLS
I.
1. D 2. C 3. B 4. A 5. B
II.
1. B 2. C 3. C 4. D 5. B
III.
1. C 2. A 3. C 4. D 5. B
IV.
1. B 2. C
V.
1. A 2. D 3. A
VI.
1. B 2. A 3. A 4. D
5. C 6. B 7. C

PRACTICE TEST 1
1. D 2. A 3. C 4. B
5. C 6. A 7. C 8. B
9. A 10. A 11. B 12. D
13. B 14. A 15. D 16. A
17. D 18. C 19. A 20. B
21. A 22. D 23. C 24. D
25. B 26. T 27. F 28. F
29. F 30. T 31. B 32. C
33. D 34. C 35. A 36. C
37. B 38. D 39. D 40. C

UNIT 4: ASEAN AND VIET NAM

LANGUAGE
I.
1. B 2. C 3. A 4. B 5. D
II.
1. volunteers 2. qualified 3. development 4. cultural
5. issues 6. live-streamed 7. leadership
III.
1. qualified 2. goals 3. contributions 4. development
5. relations 6. eye-opening 7. represent
IV.
1. A 2. D
V.
1. C 2. B
VI.
1. A 2. B 3. A 4. A 5. B
VII.
1. A 2. B 3. C 4. D 5. C
VIII.
1. D → analysing
2. D → giving
3. B → getting up
4. A → Listening
5. B → being

SKILLS
I.
1. A 2. B 3. C 4. D 5. A
II.
1. F 2. T 3. T 4. F 5. F
III.
1. A 2. B 3. C 4. A 5. B
IV.
1. A 2. B
V.
1. B 2. C 3. A
VI.
1. A 2. B 3. C 4. D
5. A 6. B 7. C
 UNIT 5: GLOBAL WARMING
LANGUAGE
I.
1. Power plants burn fossil fuels to operate.
2. How does global warming affect climate change?
3. Farming takes up a lot of green space.
4. A
5. D
II.
1. D 2. A 3. C 4. C
5. A 6. B 7. B
III.
1. pollutants 2. emitted 3. consumption 4. Natural
5. Deforestation 6. lower 7. Farming
IV.
1. C 2. D
V.
1. D 2. B
VI.
1. C 2. D 3. D 4. B 5. A
VII.
1. Suffering 2. worsening 3. living 4. destroyed
5. Cleared
VIII.
1. C → causing
2. B →affecting
3. D → produced
4. A → refers
5. C → interacting

SKILLS
I.
1. C 2. D 3. A 4. B 5. A
II.
1. B 2. D 3. A 4. C 5. C
III.
Nusseld Janssen Clarysse
 er s
1. He says governments should do

something rather than relying on individuals.
2. He helps reduce global warming by using

less resources.
3. He urges people to contribute their small
part in protecting the environment by doing 
trivial things.
4. He says each individual should do good

thing to the environment.
5. He says that everyone should just do a
little bit of the work, which means different 
to the environment.

IV.
1. A 2. D
V.
1. B 2. D 3. C
VI.
1. C 2. D 3. A 4. B
5. B 6. A 7. D

END-OF-TERM TEST 1
1. C 2. B 3. A 4. C 5. D
6. B 7. B 8. C 9. A 10. D
11. C 12. A 13. B 14. C
15. D 16. B 17. A 18. C
19. A 20. C 21. C 22. A
23. D 24. A 25. B 26. D
27. C 28. B 29. A 30. B
31. B 32. C 33. C 34. A
35. D 36. A 37. C 38. D
39. A 40. B 41. B 42. C
43. B 44. A 45. D 46. C
47. A 48. B 49. A 50. D

UNIT 6: PRESERVING OUR HERITAGE

LANGUAGE
I.
1. Many tourists want to explore the Old Quarter in Hanoi. 
2. UNESCO recognized Quan ho Bac Ninh as a cultural heritage in 2009. 
3. Last year, we went on a trip to a peaceful village , high mountains  and a
temple. 
4. Bring your formal clothes. We're going to a pagoda. 
5. Local people need to preserve their cultural heritage. 
II.
1. A 2. C 3. D 4. A 5. B
6. D 7. B
III.
1. historic 2. cultural 3. scenery 4. awareness 5. architecture
6. natural 7. loss
IV.
1. B 2. D
V.
1. A 2. C
VI.
1. B 2. D 3. A 4. C 5. C
VII.
1. to organize 2. to participate 3. To spread 4. to welcome
5. to improve
VIII.
1. C → to
2. D → to promote
3. A → to see
4. D → to ask
5. B → to be

SKILLS
I.
1. D 2. C 3. B 4. A 5. B
II.
1. T 2. F 3. T 4. T 5. F
III.
1. B 2. C 3. C 4. A 5. D
IV.
1. B 2. C
V.
1. A 2. D 3. A
VI.
1. B 2. A 3. D 4. C 5. B
6. C 7. A

UNIT 7: EDUCATION OPTIONS FOR SCHOOLLEAVERS

LANGUAGE
I.
I. B 2. A 3. A 4. C 5. D
II.
1. vocational 2. higher 3. graduation 4. professional
5. entrance
6. apprentices 7. managed
III.
1. academic education
2. Vocational education
3. education fairs
4. school-leavers
5. qualifications
6. brochures
7. institutions
IV.
1. A 2. D
V.
1. C 2. B
VI.
1. A 2. B 3. A 4. A 5. B
VII.
1. A 2. B 3. C 4. D 5. C
VIII.
1. A → having
2. B → checked
3. D → studied
4. D → asked
5. C → chosen
SKILLS
I.
1. A 2. B 3. C 4. D 5. A
II.
1. F 2. F 3. T 4. F 5. T
III.
1. A 2. B 3. C 4. A 5. B
IV.
1. A 2. B
V.
1. B 2. C 3. A
VI.
1. A 2. B 3. C 4. D 5. A
6. B 7. C

UNIT 8: BECOMING INDEPENDENT

LANGUAGE
I.
1. D 2. A 3. B 4. C 5. D
II.
1. B 2. D 3. A 4. D 5. C
6. D 7. B
III.
1. prepared
2. management
3. life
4. communication
5. scheduling
6. responsible
7. prioritize
IV.
1. D 2. C
V.
1. A 2. C
VI.
1. D 2. C 3. D 4. A 5. B
VII.
1. While
2. who
3. while
4. that
5. Teaching
VIII.
1. B → for
2. B → who/that
3. B → to become
4. D → for
5. D → safe

SKILLS
I.
1. B 2. C 3. A 4. D 5. C
II.
1. C 2. A 3. B 4. C 5. D
III.
A - 2. Balance your saving and spending
B - 4. Monitor your spending
C - 5. Adjust your budget
D - 6. Don't follow trends
E - 7. Find an app
IV.
1. B 2. D
V.
1. B 2. C 3. A
VI.
1. C 2. A 3. C 4. D 5. A
6. B 7. B

PRACTICE TEST 2
1. C 2. D 3. A 4. C 5. B
6. A 7. C 8. D 9. A 10. B
11. D 12. B 13. C 14. A
15. graduation
16. self-motivated
17. independently
18. D → to prepare
19. B → restored
20. C → that
21. A → It
22. C →to
23. A → Having completed
24. B 25. C 26. A 27. C
28. A 29. D 30. C 31. B
32. A 33. B 34. D 35. B
36. C 37. C 38. B 39. D
40. A 41. B 42. C 43. D
44. In order to enjoy a different educational experience, a lot of students choose
studying in a foreign country.
45. This is the most challenging task for me to deal with in my mathematics class.
46. Having completed his formal education, he began looking for a job in
publishing.
47. Not having joined the workshop on cultural diversity, he could not write a
report about it.
48. Having taken a gap year to travel around ASEAN, I attended the university.
49. It was my mother who/ that always encouraged me to pursue my dream in
music and have a lot of achievements.
50. It was by working hard that Jenifer could buy a car to travel from home to
workplace.

UNIT 9: SOCIAL ISSUES

LANGUAGE
I
1. Is bullying a problem in the city or in the countryside?
2. Will we talk about crime,  bullying or peer pressure?
3. Should we discuss body shaming or peer pressure ?
4. B
5. C
II.
1. violence 2. bullied 3. poverty 4. criminals 5. alcoholic 6. campaigns 7.
depression
III.
1. peer pressure 2. Alcoholic 3. overpopulation 4. violence
5. bullied 6. self-confidence 7. poverty
IV.
1. A 2. D
V.
1. C 2. B
VI.
1. A 2. B 3. C 4. B 5. A
VII.
1. A 2. B 3. C 4. D 5. C
VIII.
1. C → however / nevertheless
2. B → because
3. C → As a result / Therefore
4. A → Because
5. D → In addition

SKILLS
I.
1. A 2. B 3. C 4. D 5. A
II.
1. T 2. F 3. T 4. T 5. F
III.
1. A 2. B 3. C 4. A 5. B
IV.
1. A 2. B
V.
1. B 2. C 3. A
VI.
1. B 2. B 3. A 4. D 5. A
6. C 7. C

UNIT 10: ECOSYSTEM

LANGUAGE
I.
1. C 2. D 3. A 4. C 5. D
II.
1. A 2. B 3. C 4. C 5. D
6. C 7. B
III.
1. reserves 2. natural 3. destruction 4. overuse 5. protection 6. global
7. drilling
IV.
1. A 2. C
V.
1. B 2. D
VI.
1. wildlife 2. city centre 3. natural resources 4. food
chain
5. national park 6. tropical forest 7. car park
VII.
1. shoe shop
2. living thing
3. coral reefs
4. road accidents
5. Global warming
VIII.
1. B → biodiverse
2. C → flooding
3. D → Ø
4. A → long-term
5. D → visitor

SKILLS
I.
1. A 2. C 3. C 4. A 5. D
II.
1. F 2. T 3. F 4. T 5. F
III.
1. A 2. B 3. A 4. C 5. C
IV.
1. D 2. A
V.
1. B 2. A 3. C
VI.
1. C 2. A 3. D 4. B 5. C
6. A 7. D

END-OF-TERM TEST 2
1. C 2. D 3. A 4. B 5. A
6. B 7. B 8. D 9. A 10. C
11. D 12. B 13. D 14. A 15. B
16. A 17. C 18. B 19. A 20. A
21. C 22. C 23. D 24. A 25. C
26. A 27. C 28. B 29. A 30. D
31. D 32. A 33. C 34. C 35. B
36. C 37. B 38. B 39. D 40. A
41. C 42. D
43. A → Care worker
44. C → it is
45. A → Though/ Although
46. D 47. C 48. B 49. C 50. A