For a moment she looked blank and he took hold of her arm.
She looked blank and put the old photograph on the desk.
He was right - five or six people looked blank.
The first time I asked him, there was no response and his eyes looked rather blank.
But when I mentioned it to him he just looked blank.
There wasn't light, and I couldn't tell anything from her eyes, but looked absolutely blank.
It helped, a word here and there while we just looked blank.
I saw him look blank, like he was trying to place me.
He actually looked blank for a moment when I told him my news.
He looks completely blank, like a man who has just come into a room to get something but suddenly can't remember what.