How to say in Czech: He speaks Norwegian fluently.

English
speaks fluently.
Czech
On mluví plynně norsky.
He speaks Norwegian.
He speaks Norwegian very well.
He speaks only a little Norwegian.
Does he speak Norwegian?
He does not speak Norwegian.
He does not speak Norwegian very well.
Does anybody here speak Norwegian?
He is learning Norwegian.
He is Norwegian.
He is not Norwegian.

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