How to say in Czech: What will they wear?

English
What will wear?
Czech
Co budou mít na sobě?
What are they wearing?
What should they wear?
She was wearing a black coat.
She was wearing a coat.
They live there.
What is your address?
They didn’t write that.
He doesn’t know what they mean by that.
He knows what they did last year.
He knows what they did yesterday.

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