Questions 1 to 5 are based on a conversation.At the end of the conversation, you will be given 10 seconds to answer each of the following 5 questions.
Now listen to the conversation. What does Professor Green say about theBibliographyA．It is unnecessary at all. B．It is necessary if the essay is a long one. C．He says nothing about it. D．It is definitely necessary if students quote an author.
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