If it ________ for the heavy rain then, we would have arrived here ahead of time.
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.