The present financial crisis has greatly contributed to thousands of workers      and many factories           .

       A．laying off, closed down   B．laid off, closed down

       C．laid off, closing down     D．being laid off, closing down

The poems said       by Sean Cannery will be published next year.

       A．having written         B．written    

       C．to have been written D．having been written

______ to too much sunlight, as is generally considered, will add to the potential of catching skin cancer.

A. Being exposed          B. Exposed                 C. Exposing               D. To expose

The drug came under strong attack from _______ professional observers, who had been backed up by many doctors.

A. confused          B. confusing       C. concerning        D. concerned

________ from Milan Trenc’s novel, the film Night at the Museum brings to life a world

where dinosaurs wander the earth.

A. Adapted         B. Adapting               C. Having adapted                D. To be adapted

—What’s up? You look down.  —I have piles of papers ________, but I type so slowly.

A. to be typed        B. typed                       C. to type                                   D. being typed

Knowing office rules — whether _______ or not—is critical, especially for young job seekers.

   A. written B. writing    C. being written        D. having been written

______ along with host families, I believe, language travel students are likely to get enough

language practice.

   A. Stay             B. Having stayed       C. Staying                   D. To stay

The idea for the new plan came to his mind,         to his experiment in the lab.

       A．while devoting        B．while devoting himself

       C．while he was devoted      D．while devoted

Exciting as its special effects are _________, there is too much violence in the film.

A. to watch         B. to be watched    C. watching      D. being watched