------You’ve left the light on.

------Oh, so I have. _____________to turn it off.

A. I’ll go              B. I’ve gone           C. I go                    D. I’m going

 John has determined to _______ teaching in the quake-hit area when he graduates from university.

A. pick up        B. set up      C. take up       D. give up

  The entire hall burst into a great cheer and applause _______ the Nobel Prize winner appeared on the stage accompanied by the chairman.

A. until                                  B. while        C. by the time        D. the moment

—May I watch TV for another 15 minutes, Mum?

—Oh, dear, if you _____.

A. can        B. must      C. may       D. should

  ----Why don’t you ______ to a more sensible method?

   ----Well, I’m thinking about it.

A. switch on               B. switch off

C. switch over             D. switch through

  Not until I dropped off from school ____ how much time I had wasted.

A. didn't I realize       B. did I realize

C. I didn't realize        D. I realized

 He prefers to live in native Hong Kong ________ the United States, because he can’t ______ speaking English every day.

A. other than; keep           B. rather than; stand

C. or; stick to                D. than; practise

 -----How are things getting on with your work?

   -----Oh, I’m sorry. Things aren’t going so well as _______.

A. plans       B. planning      C. planned       D. to plan

 Running a company is not ______ a matter of hiring people ----they also need to be trained.

A. simply      B. partly       C. seriously       D. equally

  Four teams of three people would compete ______ the game and the winners would receive a free vacation.

A. in          B. against        C. for          D. with