单项选择题
A.Yes, you could. B.Speaking. C.Who are you D.Speak, please.
A.Hello. sir. Where's the bus station B.Excuse me. Is there a parking lot anywhere around here C.Excuse me, sir. How can I find the way to the police station D.Which building is the Department of Immigration, please
A.Hello, Mr. Brown. Are you a doctor B.Moming, Prof. Brown. May I have a question C.Hi, Prof. John Brown. Can I ask what your specialty is D.Hello, Mr. John Brown. W-hat brings you here