Listening Quiz: Giải Thích Việc Sử Dụng Đê Cao Su – Medium Level

1. What is the main purpose of John’s explanation to Sophia?
2. According to John, what does the rubber dam do during treatment?
3. What does John say about breathing while the rubber dam is in use?
4. How does Sophia seem to feel after John’s explanation?
5. How long will the rubber dam stay in Sophia’s mouth?

Luyện tập thêm về bài học này: