How to say in Czech: Is he learning Romanian?

English
Is learning
Czech
Učí se rumunsky?
He is learning Romanian.
Is he learning Romanian on his own?
Where did he learn Romanian?
Does he speak Romanian?
He does not speak Romanian.
He does not speak Romanian very well.
He speaks only a little Romanian.
He speaks Romanian.
He speaks Romanian fluently.
He speaks Romanian very well.

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