How to say in Czech: What has he heard?

English
What has heard?
Czech
Co slyšel?
Has he heard the news?
He has never heard of it.
I thought I heard something.
Can he hear her?
He can’t hear.
He can’t hear her.
He doesn’t want to hear it.
I hear music.
Why am I only hearing about it now?
He is young.

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