They have got lost, or had an accident.
____ made things worse, he said, was that his roommate never took part in any of the cleaning work.
Many things such as going abroad and owning a car, ____ impossible in the past, are now very common.
Walking exercises ____ be boring at times, but on a clear sunny morning nothing could be better.
—Did you happen to hear the recent news? —Yes, Alice ____ the gold medal in the speech contest, which I find hard to believe.
––Do you think it wise for parents to do everything for their children? ––No. That’s ______ they’re mistaken.