____ wide spread of H1N1 is _____ challenge for the whole world. Confidence, cooperation and responsibility are keys to overcoming it.
—We’d better go downstairs right now for lunch. —____ They serve food 24 hours a day.
The traffic slowed down because of the heavy snow in Yushu County, presenting a new ____ to the recovery from the earthquake.
Mr.Smith’s decision to attend ____ ceremony tomorrow can be seen as ____ gesture of his intention to improve the relationship.
We have raised some money and heavy clothes for the survivors in the earthquake________ they can go through the coming winter safely.
—How do you find the cards I’ve collected recently? —Very nice, especially ________bearing the signature of Liu Xiang.