______ is known to us all that the 2012 Olympic Games will take place in London.
| A．As | B．What | C．Which | D．It |
The vegetable looking fresh in his field ______well. It’s often sold out immediately it appears in the market.
| A．has sold | B．has been sold | C．is sold | D．sells |
----- You shouldn’t have talked back to our teacher like that. It was awfully impolite.
----- You are right. I _________ crazy at that moment.
| A．could have been | B．can be |
| C．must have been | D．should have been |
The peace plan _____ by Gaddafi (卡扎菲) between NATO and Libya is still under discussion.
| A．was put forward | B．putting forward |
| C．having put forward | D．put forward |
______ never to come back before he could make a big fortune, Mike left home without saying a word.
| A．To be determined | B．Determined | C．Being determined | D．To determine |
------ How did you like Nick’s performance last night?
------ To be honest, his singing didn’t ______ to me much.
| A．appeal | B．belong | C．refer | D．occur |