—The hall___ for international conferences is of great importance—I see, and we are sure to complete it on time

—Who is the girl over there?—Isn't that the secretary you want ________ the article?

O'Neal works hard．He is often seen _______ heavily before his teammates have even arrived at practice．

 ________ that the Youth Olympic Games might be delayed due to severe air pollution, our government has made a promise to Jacques Rogge that they will spare no effort to settle the problem.

______ in her most beautiful skirt, the girl tried to make herself ______ at the party.