How to say in Czech: What is our surname?

English
What is
Option 1 Option 2
Czech
Jaké je naše příjmení?
Did he forget our surname?
Do they know our surname?
He does not know our surname.
He forgot our surname.
He knows our surname.
We told her our surname.
Tell me your surname.
What made us change our mind?
And this is our room.
He is in our way.

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