Listening Quiz: Giải Thích Quy Trình Khiếu Nại Và Giải Quyết Tranh Chấp – Advanced Level

1. How can David tell Sarah’s company about his complaint?
2. What happens after David tells the company about his complaint?
3. Who checks David’s case again during a formal review?
4. What can David do if he still disagrees after the formal review?
5. What can be inferred about Sarah’s explanation of the process?

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