It is difficult for us to ____ a conversation with so much noise around us.
  A. communicate with    B. carry on      C. set up           D. bring up

 ____ of the land in my hometown ____ covered with trees and grass.
  A. Two-fifths ; is    B. Two-fifth ; are     C. Two-fifth ; is     D. Two-fifths ; are

 She knows so much about England. She ____ there before.
  A. must be         B. must have been    C. must live        D. must have lived

 There are all kinds of dolls in the shop. ____ she wants , the little girl’s parents are ready to buy it for her.
   A. However       B. Whatever         C. Whichever      D. Whenever

He came home after midnight，and _____ , he was drunk．

A．instead of　 B．however　 C．at least 　　　 D．what’s more

Charles Kao, who is from the University of Hong Kong, was ____ the Nobel Prize for physics.
A.rewarded     B.awarded      C.supplied  D.won

I think his new book____    at the end of this month．

 A．has published      B．is published

 C．will publish               D．will be published

I’ll never forget   _____ to her 18th birthday party where I had such a great time．

 A．inviting    B．to be invited      C．to invite          D．being invited

 Not until the teacher reported it to the headmaster _____ how serious the problem was.
 A. did the student realize     B. the student realized 
C. the student did realize      D. didn’t the student realize

—Jack is so ______about robots.
— He is always trying to find out how they work.
　 A. curious　　　　　 B. amusing.　　　　 C. strange.　　　 D. energetic.