1. Being a firefighter

2. Frightened by the forest fires

3. Flooded with water after the heavy rain

4. cutting down the local forest and destroying all the wildlife there, the farmers created new farmland

1. The earth is getting warmer and warmer.

2. There will be more floods and storms in the coming years.

3. ASEAN has helped its members to achieve economic growth.

4. The burning of coal and oil releases a lot of carbon dioxide into the air.

2. emission - deforestation

3. fossil fuels - greenhouse effects

1. current issues

2. greenhouse gas

3. leadership skills

4. contribution

5. pollutants

1. buying

2. Feeling

3. to reduce

4. wearing

5. to work

1. Using

2. Going on the ASEAN tour 

3. Cutting down the trees

4. Warming

5. preparing

1. C \(\to\) collecting

2. C \(\to\) injuring 

3. A \(\to\) Embarrassed

4. B \(\to\) getting

5. B \(\to\) cheered

1. F

2. T

3. T

4. F

5. T

1. Linh has worked for three different prestigious companies since she graduated from university two years ago.
2. When she enrolled on the course, she had never studied a foreign language before.
3. I was very angry when I saw that my brother had eaten my apple.
4. By the time I moved in, they had finished the building work.
5. There have been many changes around here since I was a boy.
6. Before we reached the station, we saw that we had lost our way.
7. The sun shone yesterday after it had been cold for many weeks.
8. Uncle David went to the doctor after he had been ill for a month.
9. When I closed the door, I realized that I had left my keys inside.
10. All the tickets had been sold before the concert began.

16. Would you mind turning the radio down, please?
17. What about practicing playing football?
18. It's better to avoid traveling during the rush-hour.
19. He is very fond of rock music.
20. I can't remember you lent me money last month.
21. Would you mind stopping smoking?
22. Paul hates talking to them.
23. Do you mind helping me to do some difficult exercises?
24. I suggest watching TV for a change.
25. I often avoid doing morning exercise.
26. She doesn't enjoy working with young people.