The retired man donated most of his savings to the school damaged by the earthquake in Yushu ,the students to return to their classrooms.
What the children in the poor mountain village need ________ textbooks.
I don’t think Richard could have done such a stupid thing last night, ________?
Don’t ________ when he is telling the story.
David Beckham suffered a serious injury this weekend ________ playing for AC Milan, and it appears the soccer star will miss the World Cup.
All her time _______ research, the scientist has no time for films.