Now, English is important in the world. Many countries use English as an o_______ language , like Canada and China. The second country mentioned may have the most English learners. In fact, speakers from their own countries speak different dialects and they can r______ them everywhere . In fact, English changes not suddenly. And for that reason English in different countries has its own characteristic. If you want to use English well, you should practice it often. Speaking English well is b____ on practice.