__________ for the breakdown of the school computer network, Alice was in low spirits.
A. Blaming             B. Blamed             C. To blame                 D. To be blamed

 ---Come on, please give me some ideas about the project.
---Sorry. With so much work ____________my mind, I almost break down.
A. filled                  B. filling               C. to fill                       D. being filled

 Mr Brown complained to the company that the washing machine he had had __________ went wrong again.
A. to repair            B. it repaired              C. repaired                  D. to be repaired

 Please remain __________; the winner of the prize will be announced soon.
A. seating                     B. to seat                    C. to be seated                  D. seated

 I’m calling enquiry about the position ____________in yesterday’s China Daily.
A. advertised         B. to be advertised     C. advertising                    D. having advertised

 ---Can you lend me the book Gone with the Wind?
 ---Sorry. I returned it to the library just now. Maybe it is still _________.
 A. affordable         B. available                 C. acceptable              D. valuable

 ---What’s the general idea of the passage, Bob?
---Sorry, I can’t make __________of it. It’s beyond my ability.
 A. judgment             B. understanding          C. idea                 D. sense

 ____________ to nuclear radiation, even for a short time, may produce variants(变体) of genes on human bodies.
A. Being exposed  B. Having exposed        C. Exposed                     D. After being exposed

 Finding information in today’s world is easy. The _________is how you can tell if the information you get is useful or not.

   A. ability                B. competition           C. knowledge                     D. challenge

 Mr. Green stood up in defence of the 16-year-old boy, saying that he was not the one ______.
  A. blamed                     B. blaming            C. to be blamed          D. to blame