Looking up, Mark suddenly tensed as he saw the dusty vehicles.

The man on the bed tensed suddenly, his face darkening.

G-8 tensed suddenly as the sound of a throbbing car engine came from outside.

With that done, G-8 tensed suddenly, for another sound came to him from outside the cavern entrance.

She tensed suddenly, becoming aware she was no longer alone in the room.

But he tensed suddenly when he became aware that something had just moved there.

Her body tensed suddenly in a kind of seizure and it was some moments before she could regain control.

But the giant bull to the south suddenly tensed, sensing danger.

Slade moved the rug with his foot and suddenly tensed, staring down.

'We had no idea how long you'd be out,' Nell explained, her face suddenly tensing.