Complete the sentences with the correct word. (page 87/88/89)(humidity, litter, prevention, manure, famine, heat, toxic, drought)
1. Many farmers use ____ to fertilize their crops..
2. During the summer, the extreme ____ made it difficult to stay outside for long.
3. The lack of rain caused a severe ____, leading to water shortages.
4. To avoid illnesses, we should focus on the ____ of diseases rather than just treatment.
5. Some chemicals in factories release ______ gases, which can harm the environment.
6. People should throw their trash in bins instead of leaving ________ on the streets.
Lesson duration is: 45 min
