Listening Quiz: Tranh Chấp Hóa Đơn Khi Thanh Toán – Medium Level

1. What is the conversation mainly about?
2. Why does John think there is a mistake on his bill?
3. What does Jessica say she will do after checking the receipt and the system?
4. How long does Jessica say the refund usually takes to appear?
5. What can be inferred about Jessica?

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