Many people claimed ________ the violent attack.
blood
It worried her a bit ________her hair was turning gray.
— I worked till 4:00 a.m. to prepare a report for my boss. —________ you look very tired.
Ifpossible,youshouldexaminealldatafields______.
—The lights were left on all night long. —Oh. It seems that Tom is ____. Only he stayed in the classroom when I left yesterday evening.