题目内容：

根据短文内容及首字母提示，完成短文

It’s very i1.for us to learn English well. English is the m2. widely used language in the world. It is a3.used as an international language. It’s s4.by more than 400 million people as their first language. Many countries use English a5.a foreign language. English is widely used for international business. Chinese use English as a s6.language. China’s reform and opening-up policy, China’s entry into WTO and the 2008 Olympic Games encourage more and more Chinese to l7.English. So we must try our b8.to learn English w9.and make a contribution to building our c10.better.