lad that the Olympic Games will beheld in 2008 in China, _______ 

He doesn’t do his homework ________, though hehas ________.

Now, children begin to learn English at avery early age. It is really a good thing—_________.

Not only Jim but also my parents and I ______ a few places of interest since we came to China.

________production up by 60%，the company has had another excellent year.