.When I knew Mary made every effort ______ the homeless, I could not but ______ her.
I just couldn't understand the former mayor ________ the money raised for children in poor areas.
To some people, “spiritual health” is a very abstract concept, ________ many unexplainable elements.
A modern stadium in that new town, ________ soon, will be an ideal place for people to have all kinds of sports in.
________ 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.
During the flood many students volunteered ________ through the weekend, giving out food and water for the victims.