"It's the only agent so far that has even shown a hint of having an effect."

The officials, however, are not the only agent of change.

But he was not the only agent in this vicinity.

I've got to be, I'm the only agent on the loose that either one of you can afford to trust.

Apparently I wasn't the only agent who knew how to put the traffic statistics to good use.

Jerome and I aren't the only agents set against you.

That's the only agent where you may get significant weight loss.

Saddam Hussein is not the only agent of change in this region.

I didn't know how much power Loman had as the director of the only agent in the field.

You are, of course, not the only agent we have talked to, or will talk to.