Listening Quiz: Điều Tra Triệu Chứng Hô Hấp Gần Khu Công Nghiệp – Easy Level

1. What is the conversation mainly about?
2. Where are the people with coughs located?
3. What did John say about the air quality?
4. Why does Emily say, ‘We should tell the regulator quickly’?
5. What can be inferred about the residents near the factory?

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