Whether he was an active agent, this is not known.

The investment broker was sure that the active agent had gained new information.

Students are considered to be active agents who engage in social knowledge construction.

Burbank was always available to active agents such as Harry.

But from this moment I shall not believe what has been told us, that you are an active agent of evil.

Actually, we have two principal agents still active in Cairo.

He was the contact man who kept in communication with the active agents.

We have over fifty agents active in the Atlanta area, though.

Kate is still an active agent and can also be summoned to duty.

For Miller, culture is never merely the product of the environment, but an active agent in the interaction.