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

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

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