"I have no authority over their activities, nor any knowledge of why they're here in the first place."

The concern over Iran's nuclear activities is a case in point.

The case has cast a shadow over the group's activities.

There are over 50 clubs and activities in which students can participate.

He thought over his activities, six weeks pondered in a few seconds.

As a non-governmental organization, the government has very little or no control over its activities.

Not the slightest doubt is expressed over the doctor's activities.

It organize over 200 events, festivals and local activities every year.

Especially now that Nimisha would have more control over her daily activities.

Main goals will include watching out over activities and agendas that his or her creative team may come across.