Paris is the most visited city in the world so you can get along easily with only knowing English. And if you know a bit of any romance languages then you can

Paris is the most visited city in the world so you can get along easily with only knowing English. And if you know a bit of any romance languages then you can usually pick out enough written words to understand the gist of a menu (if one is not offered in English). The countryside less so, but this is changing rather quickly.