Fill with the proper words. 根据句意每空填上一个适当的英文单词。

1. English is an important working language of the _______________ meetings.

2. Wang Nan and Zhang Yining are famous _______________ players of table tennis of China.

3. Many children learn to play the _______________ in the Children's Palace at weekends.

4. Miss Liu is our maths teacher. Her _______________ is next to our classroom.

5. We Chinese people made many new _______________ in 2008 Beijing Olympic Games.