There are a few books on the shelf. But only one of them is________.
—May I keep your company there? —You may __________.
—I'm sorry to keep you waiting long. I'll make shorter work of this. — __________. I'm not in a hurry.
Jack is late again. It is __________ of him to keep others waiting.
But the device destroyed everything good that he came __________.
She speaks as if she __________ on the spot.