—Did you find the missing couple in the mountain yesterday?—No, but we ________ to get in touch with them ever since.
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.
In our childhood, we were often ______ by Grandma to pay attention to our table manners.