6．—May I see your ticket, please? I think you ________ in my seat.
—Oh, you’re right．My seat is upstairs．I’m terribly sorry.
A．are sitting B．sit C．sat D．have sat
7．—Lend me some more money, will you?
— Sorry, I’ve got _______ at hand myself．You know the iPod player cost me all I had just now.
A．no one B．neither C．none D．nothing
8． for his expert advice, John is often asked to help others with their personal affairs.
A．Having known B．Being known
C．Known D．Knowing
