Помогитеееее пожалуйста .
1. What English -speaking countries do you know?
2. The American English and the British English speak different languages , don’t they?

Краткоооо, но не совсем:))

Yes and no. Englishmen and Americans speak the same language. But there are some differences between British English and American English.

I know following English-speakers countries: the United States, the United Kingdom, Canada, South Africa, Australia, New Zealand, Ireland, the Bahamas, Nigeria, Guam.