And, if so, what did she hope to gain by it?

What is it you hope to gain from all of this?

What did you hope to gain by making that visit?

A fine house and all you could ever hope to gain.

What can you possibly hope to gain from telling such a story?

"But what on earth can she hope to gain by all this?"

"What do they hope to gain by going public, as you put it?"

"But what did you hope to gain by doing it?"

What do you hope to gain from all this, Tom?

"What did you hope to gain by telling them all this?"