• 2022-06-06
    Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. Which of the following is NOT mentioned as a source of information
    A: Consumers.
    B: Publications.
    C: The sales department.
    D: Businessmen.
  • 举一反三