How to say in Czech: Are they learning Romanian?

English
Are learning
Czech
Učí se rumunsky?
Are they learning Romanian on their own?
They are learning Romanian.
Where did they learn Romanian?
Do they speak Romanian?
They do not speak Romanian.
They do not speak Romanian very well.
They speak only a little Romanian.
They speak Romanian.
They speak Romanian fluently.
They speak Romanian very well.

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