3.The spirit of creativity and scientific skills has________ this city_______ ___________.(使……成功)

2.The center _________ ________ (开始于)in the early 1980s.

1.______ _______ ________(有可能)that many of great achievements will be born in northeastern Beijing.

20.Many soldiers died in the field of b____________.

19.The news was ______________(宣布) to the public on TV.

18. My brother _____________(立志) to be a novelist.

17. Science never stops ____________(前进) on.

16.The _______________(突破) made by scientists gives hope to cancer patients all over the world.

15.The teacher _____________(标出)the important words with a red pencil.

14. His theory has a solid b____________ in fact.