A world of Languages Quiz

(...) is the oldest known written language in the world (Sumerian)?

'La Gomera', an island in Spain, has got a special language. (...) do people communicate?

(...) of these places has 500 words for 'rain'?

(...) can you hear 'Chalcatonga Mixtec'?

(...) languages are there in the world?

(...) is International Language Day?

(...) is the most common language?

(...) invented the 'Elvish' languages in literature?

(...) do many people learn English as a second language?