【单选题】听力原文:W: Sir, you've been using the online catalogue for quite a while. Is there any thing I can do to help you? M: Well, I've got to write a paper about Hollywood in the 30s and 40s, and I'm really st...
【单选题】听力原文:M: I would like to make a reservation for a flight to Las Vegas for March 8th. W: Sorry, but all flights to Las Vegas are fully booked on March 8th. Actually, our flights to Las Vegas are all boo...