She had found herself wondering on her way what kind of person felt drawn to prison work.

I was wondering how on earth to begin telling him about Richard.

But have you not wondered on the most successful of them?

She wondered at how quickly he had come, on the very heels of the attack.

In case you were wondering what on earth that earlier version meant.

But you have to wonder what kind of return on investment all that effort will yield.

And you'll be wondering on what basis I make my recommendations.

A remark which left her wondering what on earth he meant.

I wonder, in a book on modern love, can you afford to leave out irony?

She was wondering, on this particular day, how to draw attention to such issues.