Because it was at one time a part of the British empire.
No Gambia don't speak french actually but this language is more and more common because french is the most important language in West Africa;
Many Gambians speak English. There are also many tribal languages such as Mandinka, Fulani, Wolof
Nope... the official language of Gambia is English.
French
Gambia is a country in West Africa that was once owned by France. They speak French. The flag of Gambia is 3 horizontal stripes of green on the top, yellow, and blue. The national dish is fufu, made of plantain flour.
"He does not", or, "he doesn't speak English" would be correct. It would never be 'he do not speak English,' as that is incorrect grammar.
They are called Bissau-Guineans, but this term is not common in English.
Outsiders may or may not speak English. It depends on the individual's background, education, and exposure to the language.
English is spoken in many parts of Africa. It is an official language in Botswana, Cameroon, Gambia, Ghana, Kenya, Lesotho, Liberia, Malawi Namibia, Nigeria, Rwanda, Sierra Leone, Somaliland (a region in the north of Somalia), South Africa, South Sudan, Sudan, Swaziland, Tanzania, Uganda, Zambia and Zimbabwe. That is not to say that it is the main language in these countries and all of the people there speak English. Other languages are official in those countries and lots of the people in them would not speak English at all. Equally, there would be fluent English speakers in countries that do not have English as an official language.
yes, some of them speak english.
yes they did speak English
Some Russians may speak English, especially in urban areas and among younger generations. English is taught in schools as a foreign language, but proficiency levels can vary.