Listening Quiz: Thảo Luận về Kế Hoạch Nâng Cấp Sản Phẩm – Advanced Level

1. What is the main purpose of Anna and William’s conversation?
2. How long will the upgrade take to complete?
3. What does Anna say about the customer’s data during the upgrade?
4. What is the cost of the upgrade?
5. What can be inferred about William’s attitude toward the upgrade?

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