11. Thanks to technology advances, some weather disasters such as hurricanes and blizzards could be predicted
12. In some cases, lightning caused wildfires
13. The three injured men were taken to the hospital by some local people by the time the ambulance came
14. The children left the house before the house collapsed
15. After the latest landslide in Sapa, a training session was held to teach people how to protect themselves in some natural disasters
Ex 3
1. More tourists would come here if the beach was cleaner
2. What will happen if the pollution goes on
3. If there is no war, peopple will live more happy
4. English is the official language in Malaysia
5. Eating too much sugar is resulted in health problem
6. I won't go scuba diving with Terry because I don't swim
7. Nick wouldn't sneeze so much if the air was clean
8. If the world temperature continue to rise, there will be less snow