his may sound like a simple process,great care is needed．

Both your salary level and your cost of living can be_________ if you move to another city, so you’d better think It over before you make a final decision.

eng’s winning women’s 500m shorttrack at the Vancouver 2010 Olympics was an exciting moment, ________ allChinese will never forget

He lost his way in the forest, but he managed to get through it _____ [ ]

Professor Li, who I _________ abroad, stillteaches in Peking University.