A.TakeB.B．What'sC.Well,D.D．MaybeE.Speaker A: Im worried……

单项选择题Speaker A: May I take this book out? I need it to work on my paper for Dr. Smiths history class. Speaker B: ______A．Sorry, this book can't be taken out of the bookstore until you have paid for it.B．Yes, I think so. This book is good reference work for Dr. Smith's history class.C．I'm afraid not. The book has been put on reserve by Dr. Smith. Unless you have his permission, he won't lend it out.D．I am not very sure. You'd better ask the librarian over there.

单项选择题Speaker A: I wonder whether it would be possible to change this double room to two single rooms. Speaker B: ______A．Sorry, sir. All the single rooms are occupied. But if you like, I can check with Imperial Hotel to see if they have any.B．I suggest you go to the receptionist to get more information about it.C．But I prefer one double room to two single rooms.D．Well, you should have decided what kind of room to stay at before you checked in.

单项选择题Speaker A: Excuse me, Id like to know whether the French dictionary I ordered has arrived. Speaker B:______A．Sorry, the French dictionaries are all sold out.B．Just a moment. Let me check it for you. Oh, yes, it has. That'll be $20.C．May I help you? When did you order it?D．Yes, we have several types of French dictionaries available. Which one do you want?

单项选择题Speaker A: Hello, may I speak to Alan Bright? Speaker B: ______A．Hello, may I ask who you are?B．Hello, please wait for a moment and I'll go to call him.C．Speaking.D．Hello, I'm Alan Bright.

单项选择题Speaker A: Would you do me a favor? Speaker B: ______A．I would.B．With pleasure.C．I don't know if I can.D．What is the favor?