'How Shall We Do' in the Bible

How shall we do for wives for them that remain, seeing we have sworn by Jehovah that we will not give them of our daughters to wives?

Then the elders of the congregation said, How shall we do for wives for them that remain, seeing the women are destroyed out of Benjamin?

And when the servant of the man of God was risen early, and gone forth, behold, a host with horses and chariots was round about the city. And his servant said unto him, Alas, my master! how shall we do?