If you could sudddenly become fluent in another language, which one would you choose?

Spanish so can I understand what people are telling me in Spanish when they assume I'm Hispanic and fluent in Spanish based on my appearance.

spanish.

spanish and go buy a lot of cheap land in mexico.

Spanish.
Ai know Arabic and English

Love the French language!

I'd say Arabic or Mandarin

Dutch or Chinese

Mandarin

Norwegian !

Cuneiform

Spanish

Japanese

Greek.

Russian for sure. French would be a second choice.

I'm curious, why Dutch?

Viking. Then I can go to Valhalla.

English or Tamil.

French

Korean

Arabic