demand to know something

Like at one point he demanded to know what I wanted from him.

But then he demands to know why she did such a thing.

He sat up with interest, and demanded to know what had happened.

A few days later he demands to know what happened.

Back at the house, she demands to know what is going on.

And he was going to demand to know why she had not stopped him.

The men demanded to know why they were being held.

Did she have the right to demand to know what it was?

People will demand to know what is expected of them, one way or the other.

Would he demand to know why she had made it.