The common language of the Roman Empire was Greek.

In the past _______ was the most important common language of the Orient.

(2) The common language used particularly in Togo and Benin.

In the past _______ was the most important common language of the Orient.

Nobody will claim that at that time Arabic was the common language there.

The idea that English is the global lingua franca is false.

lingua franca: a language which is used for communication between groups of people who speak different languages

If French is the language of love, then perhaps English is its lingua franca?

It looks like English is the global lingua franca or even the language of the Universe.

From approximately the fourteenth century, various forms of Mandarin have been used as the lingua franca of the nation.

This is essential, because French is a working language.

In order to succeed in the higher years of the secondary school, a high level in Language 2 (the “working language”) must be reached.

The crew of our ships is very international, which is why the working language on board is English.

A lingua franca or working language is a language used to make communication possible between people not sharing a common language.

In any case, the working language for onsite classes will be Spanish (with the exception of specific subjects).