Similarly, an operator might have free time at his disposal, but not know this.

Its operator knew nothing of the excitement on the eighteenth.

The operator knew the width of the paper being used each time.

The smart operator knows where to go to get information.

We've called ten times with questions, but the operators know nothing.

If the residences were in the women's names, the operator knew they probably lived alone.

The operator in most cases knew their voice or knew the person being called.

"The big question is, Could our operators have known about it earlier?"

If you go, the operator will know where to switch the calls.

The operator knew where he was going - to the fourth floor.