ответьте на вопросы 1. what countries is english spoken in? 2. what is the native population of america? 3. what is the capital of the united states? 4. who is the president of the usa? 5. is english easy for you? what is your problem? 6. is french a difficult language? 7. what country are you from? 8. what is the capital of australia? 9. do you use english in your work? 10. is russian your mother tongue? 11. what is the official language of canada?

1. English is international language. There are a lot of contries which speak in English. But there are contries where English is official, for example Great Britain, Australia, Bahamas, Botswana, Gambia, India, Nigeria, Ireland, Cameroon, Canada, Kenya, Hong Kong, New Zealand, Pakistan, Guinea, Singapore, USA, Fiji, the Philippines, South Africa, Malta etc.
2.The native population of Amarica is Americans.
3. The capital of United states is London.
4. The president of the USA is Barack Obama.
5. The English isn't easy for me because there are many English sounds which no in Russian and so i have some problems with the pronanciation.Also English words have a lot of different meaning, one word can be as verb as noun,for example.
6.Yes, it is. 
7. I from Russian.
8. the capital of Australia is Canberra.
9. no, I don't. I use English only on our English lessons.
10. Yes, it is. ( no, my mother tongue is )
11. the official languages of Canada are English and French.