President Hu Jintao urged every effort___to rescue and treat the injured when the earthquake happened in Sichuan in 2008
That is the place where I________when I was a child.
The classroom is big enough________, but we'll have to move if we have more students.
We went to Canada to travel and my cousin________as our guide.
The question now________at the meeting is very important.
—You are so lucky.—What do you mean________that?