—Is there any possible way to help them get rid of such a bad habit?—To tell the truth, it’s very hard. But we ________ on this problem, trying to improve the situation .

—Have you ever heard that Beijing toilet attendants will be required to learn English for the 2008 Olympic Games?—Yeah, I ___   about it in The Beijing Morning Post.

No decision     about any future appointment until all the candidates have been interviewed.

--- Thank goodness, you are here ! What ____ you ? ---- Traffic jam．

The unemployment rate in this district　　　　from 6% to 5% in the past two years.