1. We took part in a clean-up campaign last week.
2. This volunteer activity helps keep the environment safe, clean, and healthy.
3. We find community activities helpful because they can help many people.
4. You should cycle or go jogging for at least 30 minutes a day to keep fit.
5. Vitamins are essential for our health.
6. My sister doesn't like mountain climbing because she is scared of heights.
7. Collecting stamps help you be more patient.






