How to say in Czech: Do we need his address?

English
Do need
Czech
Potřebujeme jeho adresu?
What is his address?
We do not need his address.
We need his address.
Did we forget his address?
Do we have his address?
Do we know his address?
Do we want his address?
We do not have his address.
We do not know his address.
We forgot his address.

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