8. After we had realised that we went the wrong way, we checked the map immediately.

7.  Diana had left her mobile phone at home. She regretted that.

6. Since the boy had done something wrong, he came to his father and asked for forgiveness.

5. Because they had had no money left, they decided not to eat outside.

4. Since Trung had had many things to do, he decided not to go jogging this afternoon.

3. After she had heard about the bad news, she burst into tears.

2. Since Khanh had been allowed to go to the party, he informed My about that.

9. Who win save our Earth if not ourselves?

8. Do you believe in measures for global warming?

7. When did global warming start?

6. A: Sea level rise caused by global warming will take our land.

B: What will take our land?

5.  A: Global warming may cause poor crops globally.

B: Global warming may cause what?

4. Does methane make the Earth warmer?

3. How can people in the world cooperate to cope with global warming?

2. A: Global warming is the aftermath we have to face because of our unconsciousness.

B: Because of what?

Decide whether the following sentences have rising tone (R) or falling tone (F).

5. CO2_________are the main cause of global warming which is dangerous to all on Earth. (EMIT)

4. It seems to me that global warming is not the reason of any_________disease at all. (INFECT)

3. Global warming may have negative impacts on the_________balance on Earth. (ECOLOGY)

2. It is important that_________pay more attention to the problem of global warming. (LAW)

7. Some of the incoming sunlight is_________by the Earth surface and the atmosphere.

6. High humidity and temperatures appear may cause_________illness and mortality.

5. It is said that_________plastic bags could help New York mitigate climate change.

4. A_________is defined as the total emissions caused by an individual or an organization.

3. Impacts of climate change on plant_________have now been modeled on a regional basis.

2. The stresses in_________systems threaten extinction of some critically endangered species.

10. Laws to prohibit activities causing global warming will be composed by_________.

9. Heat_________in the atmosphere by greenhouse gases like CO2 and CH4 makes the Earth warmer.

8. Education plays an essential role in raising people’s _________of global warming.

7. _________floods have happened more regularly recently due to climate change.

6. All the plants and living creatures in a/an_________have impacts on one another.

5. The mixture of gases that surrounds the Earth is called_________.

4. _________change can be in the form of hotter summer, longer drought or more hurricanes.

3. Water vapour is surprisingly considered a_________gas as it partially makes the Earth warmer.