_______ to the strong sunlight for a long time will do great harm to your skin.

A. Exposed     B. Exposing    C. Being exposed   D. Having exposed

一You’ve made great progress in your survey, haven’t you?

——Yes，but some problems among the youngsters still remain——．

A．settled    B．settling    C．to settle D．to be settled

_____enough thought to who the readers of the book would be，the publisher made a wrong

    decision and suffered a heavy financial loss．

    A．Not giving    B．Not being given    C．Having not given    D．Not having given

   his work these days，he hash’t _____ when to pay a visit to his parents·

    A．Bent On：decided on    B．Worried about；turned on

    C．Faced with；taken on    D．Devoting to；focused on

______ by a greater demand of vegetables, farmers have built more green houses.

A. Driven             B. Being driven             C. To drive        D. Having driven

_______, according to the instructions, the medicine, I think, will work on your headache before long.

   A. Take               B. Being taking       C. Taken              D. Taking

Mr. Fox fell ill, thus __________ it necessary for us to find another person for his job.

A. having made                 B. made                     C. making                 D. to make

The little girl showed no anxiety before the competition. She seemed _____ for it pretty well.
   A. to prepare         B. to have prepared        C. having prepared     D. to be preparing

. That light rail transit line(轻轨), __  _in July 2009 and ___ in 2012, will be China’s longest light rail transit line in history.

    A. starting, completing             B. started, to be completed

C. to start, completed               D. starting, completed

_______ to the discovery of radium, Madame Curie plays an important role in modern

science.

A. Devoting                                       B. Devoted           

C. Being devoted                                D. Having devoted