How to say in Czech: His Spanish is getting better.

English
is getting better.
Czech
Jeho španělština se zlepšuje.
I do not speak Spanish very well.
You speak Spanish very well.
His Spanish is very good.
How good is his Spanish?
His native language is Spanish.
Is he learning Spanish on his own?
He is learning Spanish.
He is not Spanish.
He is Spanish.
Is he learning Spanish?

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