阅读下面的短文，用括号内所给单词的适当形式填空。必要时可加助动词。

     Have you visited the World Expo (世博会) __1__ (hold) in Shanghai in 2010? I visited the American

  pavilion (展馆) and I was very surprised with the __2__ (develop) of Shanghai. There were a great

 number of __3__ (visitor) visiting the American pavilion, and they would not mind __4__ (wait) for a long

  time to visit it. Plenty of American food __5__ (provide) at the Expo. What most interested me was that

 the American pavilion is like a movie theater. The American pavilion uses a three-part, high-tech (高科技

 化的) video __6__ (tell) the story of the American spirit to visitors around the world. The people who

  watched the American"4-D"show were pleased and __7__ (excite)．

     I just spent the day __8__ (run) around the city and walking through the World Expo. I was so

 surprised. What has happened in Shanghai has __9__ (hard) happened in the history of the world in such

  a short time. High buildings are __10__ (rise) everywhere in the city. Large ships head up and down the

  Huangpu River. New highways appear in every direction (方向),and every day a number of cars and

 buses run on __11__  (they). The subways are also longer than before. How great Shanghai is! How

 great China is! I'm very __12__ (pride  n 骄傲) as a Chinese.