Certain spies, at least, had gone upon a useless trip; others, still on hand, would never know it until too late.

Let the spies go back home and tell their bosses that.

I would let you wander off to wherever spies go when a war is over.

No spies can go into the factory to find out how it is made.

So, the first spy goes at the gate and the guard asks says "10".

Other spies go to third countries, live for a while, and then enter South Korea.

And you can let your spies go home too.

The spies, 'his majesty's daily papers,' as we called them, come every morning to report, and go again.

Most spies would have gone so far as to commit the murders.