Recently CCTV Station has taken great pains to make a program that reviews the important_____0f 2006．

The workers wouldn’t run the _______ in letting an unreliable person take charge of the factory. 

To keep a trade______, they would have to sell less and buy more in the following months.

---Mary was being badly treated when John happened to pass by and helped her out ---I think it was not a pure______but had been well planned.

They are said to have developed a new ______ to teaching, which is said to improve classroom teaching greatly.