Sure! Here are suitable words to fill in the blanks:

1. **extinguish** (or "put out")
2. **emergencies** (or "disasters")
3. **educate** (or "teach")
4. **training**
5. **safe**

So, the completed dialogue would read:

An and Binh discussed the important role of firefighters in the community. They agreed that firefighters not only (1) **extinguish** fires but also rescue people from various dangerous situations like car accidents and (2) **emergencies**. Additionally, they visit schools and communities (3) **educate** about fire prevention and safety measures. They are responsible for maintaining their equipment and providing first aid and (4) **training**. An and Binh both expressed their admiration and respect for the selfless and dedicated work that firefighters do to keep the community (5) **safe**.