How to say in Czech: She speaks Croatian fluently.

English
speaks fluently.
Czech
Ona mluví plynně chorvatsky.
She speaks Croatian.
She speaks Croatian very well.
She speaks only a little Croatian.
Does she speak Croatian?
She does not speak Croatian.
She does not speak Croatian very well.
Does anybody here speak Croatian?
Is she Croatian?
Is she learning Croatian?
Is she learning Croatian on her own?

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