Norway, Sweden, Finland, Denmark, Holland, Lithuania,the 6 countries,will use English as the first official language,and the language of their own also as an official language.
Switzerland, Belgium, Luxembourg,the 3 countries,will use English as one of their official language.
In Belgium,Dutch language will be not the official language in future.
In Ireland,Irish language will be not the official language in future.
In Monaco,French language and English will all as the official language.
In Czech Republic (Czechia),Czech and English will all as the official language.
In South Korea,Korean and Chinese (Simplified Chinese) will all as the official language.



