Situational Dialogues Receptionist:Hello,Foreign Language Department.Can I help you? Li Na: May I speak to Prof.Smith? Receptionist:Hold the line,please.I'll put you through to Prof.Smith. Prof.Smith:Good moming,this is Smith speaking. Li Na: Good moming,Prof.Smith.This is Li Na,your student.Could you do me a favor? Prof.Smith:OK.Go ahead,please. What can I do for you? Situational Dialogues Receptionist： Hello, Foreign Language Department. Can I help you? Li Na： May I speak to Prof. Smith? Receptionist： Hold the line, please. I’ll put you through to Prof. Smith. Prof. Smith: Good morning, this is Smith speaking. Li Na： Good morning, Prof. Smith. This is Li Na, your student. Could you do me a favor? Prof. Smith：OK. Go ahead, please. What can I do for you?