______ is known to us all that the 2012 Olympic Games will take place in London.

   A. As                B. What         C. Which            D. It  

It suddenly ______ to me that we could use a computer to do the job.

   A. took place        B. occurred     C. came about       D. happened

The noise was so ______ that he was so ______ that he stayed awake the whole night.

   A. disturbing; disturbed             B. disturbed; disturbing;

   C. disturbing; disturbing                D. disturbed; disturbed

The thought ______ he might fail in the exam worried him a lot.

   A. when          B.  which       C. that         D. what

Come and see me whenever ______.

   A. you are convenient                B. you will be convenient

   C. it will be convenient to you          D. it is convenient to you

Don’t ______ to contact me if you need any more information.

   A. hesitete          B. apologize        C. worry            D. apply

Gong Li, a famous film star, once said: “______ performance, it is not that different between Hollywood and Asia.”

   A. In favor of       B. in terms of      C. In need of       D. In place of

______ the right kind of training, these teenage football players may one day grow the international stars.

   A. Giving            B. Having given C. To give      D. Given

She was very ______ about her father’s sudden death.

   A. cut down      B. cut in           C. cut up           D. cut off

Over the past decades, forest area ______ in China as a result of massive deforestation.

   A. had decreased B. decreased        C. is decreasing    D. has been decreasing