Listening Quiz: Làm Sạch Đường Thở cho Bệnh Xơ Nang – Easy Level

1. What is the conversation mainly about?
2. How long will the whole process take?
3. What will William do after the airway clearance techniques?
4. How does Sophia likely feel after talking with William?
5. Why does William say that the procedure should not hurt Sophia?

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