____ is known to us all is that the 2008 Olympic Games will take place in Beijing.
A. What B. It C. As D. Which
I found many people ________ on the benches at the end of the day，chatting.
A. sitted B．sitting C．seating D．seat
Tom is _______ to miss the early bus because he got up late.
A．possible B．Probable C．likely D．maybe
They considered___ a computer, which was considered ___ a great help in their work.
A. to buy；to be B. buying；being
C. to buy；being D. buying；to be
The natural beauty of Mount Tai _______millions of tourists from all over the world every year.
A．encourages B．attracts C．reminds D．seizes
________the good old days，he couldn’t help smiling.
A. Looking back at B. Looking on
C. Looking forward to D . Looking into
