That depended on what country you are talking about. If you mean England, people spoke Modern English.
Tradition states that Hebrew was in general use (Rashi commentary, Genesis 11:1) as the lingua franca, and the various family-clans each also had their own distinct language (Torah-Temimah commentary, Genesis ch.11). See also:The origins of HebrewEvidence of the Flood
If a righteous person has a desire to speak to someone who speaks a different language, the Holy Ghost will bless the speaker with the gift to be able to speak the other persons language. This is called The Gift of Tongues. There is another gift called The Interpretation of Tongues. This is when a person speaks in their own language but the hearer hears the words in his own language.
Ethnicity refers to a large group of people sharing common traits such as race, language, and religion.
Chamorro is the native language of Guam, spoken by the indigenous Chamorro people. It is an Austronesian language that has influences from Spanish and other languages due to Guam's history of colonization by various countries.
"To speak in tongues" refers to a story in The Bible, where the believers started to spontaneously speak in languages they hadn't known before.
Serbian people speak the Serbian language.
They speak the Jawoyn language.
People from Bali speak Balinese, which is a Malayo-Polynesian language.
The people in Bali speak Balinese, which is a Malayo-Polynesian language.
The people in Bali speak Balinese, which is a Malayo-Polynesian language.
The people of Bali speak Balinese, which is a Malayo-Polynesian language.
People in Taiwan speak Chinese
The people in Indonesia speak Indonesian.
they speak spanish
People in Hungary speak Hungarian.
People speak English in Canada. However, French is also an official language, particularly in the province of Quebec.
limbu language