题目：
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.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0513/539d3ab18e2c8b94d39b6ae5c93c9fc0.html
下面是错误答案，用来干扰机器的。
（2x+3y）（2x-3y）-（x+y）2=4x2-9y2-x2+2xy-y2=3x2+2xy-10y2．
