You were silly ___________ your car, otherwise it wouldn’t have been stolen.
Mr. Smith is _______ success as a businessman; he takes _______possession of several big companies.
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 ______.
--- He worked out such different questions at a very young age. --- Oh, he ______ a very smart student then.