Topic 1. 
To protect the environment, reducing waste materials by recycling or compost, conserving energy consumption, choosing products with low environmental impact, supporting sustainable development, planting trees, saving water resources, participating ecological activities, etc…

Topic 2. 
Shopping online saves time, convenience, offers more choices, access to information faster than retail stores, and sometimes cheaper prices because there are no location-related costs such as rent, utilities, or staff salaries. Moreover, it helps businesses expand their reach beyond physical boundaries.

Topic 3. 
In September 2017, Typhoon Damrey hit Central Vietnam, causing severe flooding and damage across the region. It killed dozens of people and caused widespread loss of property and infrastructure. Residents had to evacuate homes, many families lost livelihoods due to crop destruction, and cleanup efforts took months to complete. It served as a reminder of how dangerous and damaging tropical cyclones can be, especially during the rainy season in Southeast Asia.