How to say in Czech: Do they speak Ukrainian?

English
Do speak
Czech
Mluví ukrajinsky?
They do not speak Ukrainian.
They do not speak Ukrainian very well.
They speak only a little Ukrainian.
They speak Ukrainian.
They speak Ukrainian fluently.
They speak Ukrainian very well.
Does anybody here speak Ukrainian?
Where did they learn Ukrainian?
Are they learning Ukrainian?
Are they learning Ukrainian on their own?

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