It's the sort of work that _________ a high level of concentration.
The woman,_________red,was Tom’s mother, who was waiting for him.
Though ____life was hard for her ,she led _____happy life.
Ten years ago, the population of our village was ______ that of theirs.
She has been working hard day and night, which of course, _______ her pale face.
--- Are you satisfied with what he did?--- No. It couldn’t have been ______.