Terry: Hi, this is Terry.
Dan: Hi, Terry. This is Dan. May I speak to Mike, please?
Terry: I’m afraid he isn’t available right now.
Dan: - - - -
Terry: He will probably come back in half an hour.
Dan: Well, Could you tell him to call me back?
Dan: Bye.Which of the following completes the conversation?
Doğru Cevap: "C" When will he return?