2. Land erosion is mainly caused by widespread deforestation.

3. In the polluted environment, infectious diseases can be passed easily from oneperson to another.

4. Global warming has severe impact on water supplies.

5. Such unhygienic conditions encourage the spread of diseases.

6. When you sit for the exam tomorrow, try to stay calm and relaxed.

7. Most of the Imperial Citadel of Thang Long was demolished in the early 20th century.

8. If you want to get a high mark on a test, review the material carefully beforehand.

Nam: What are the main threats to the environment today?

 Lan:

2. Lan: How can we help to fight deforestation?

Nam:……….

3. Nam: Do you do anything to protect the environment?

Lan:..........

4" "______"I'd like to see a cultural one."

5. "Could you pass that book over to me, please?" – “______”

6. "If I were you, I would apply for the scholarship to the University of Melbourne."

7 "I hear you've passed your exam. Congratulations!"- “_____”

8. "Let's go to the Dr. Millet's seminar on learning styles this afternoon!"

-“_____”

1. The factory was accused________having caused higher lever of pollution to the enviroment.

2. We all admire him_____ having changed both his attitude and behaviours towards the environmental issues.

3. We congratulated him ______ having invented an energy-saving device.

4. The local residents suspected the authorities ____ having kept the pollution level secret from the local people.

5. I wonder if you could tell me who was awarded the____.

6. My favourite part of England is Cornwall. There's some absolutely beautiful _____ there .

7. The more ____ you have, the more chance you have of finding a better job.

8. At the____ level, you can join three-year or four-year colleges.

9. Buying organic food is better for the environment because it uses less____.

10. Global warming occurs when the greenhouse gases in the atmosphere _____ the heat from the sun.

11 From the top of the cathedral tower there are some spectacular ____ of the surrounding countryside.

12. Forests ____ carbon dioxide from the atmosphere.

13. Deforestation is one of the biggest_____threats to the ecologicalbalance in the world.

14 I wonder if you could tell me who was awarded the_____.

15. You have to be highly_____ to do well in these subjects.

16. Releasing too much carbon dioxide into the atmosphere can lead to globalwarming.

17. Any pupil who was _____ misbehaving was made to stand at the front of the class.

18. They_____ sacrifices so that their only child could have a good education.

19. They_____ sacrifices so that their only child could have a good education.

20 started ______ voluntary work when I graduated from school.