Listening Quiz: Trình Bày Bằng Chứng tại Hội Nghị Quốc Tế – Medium Level

1. What is the main topic of William and Anna’s conversation?
2. What kind of data did William use in his research?
3. What did William recommend increasing?
4. Why does William say one challenge is getting agreement from all governments?
5. According to William, how can the challenge be overcome?

Luyện tập thêm về bài học này: