.The teacher used to stay up deep into the night. ______ , he made himself ill.
Since the man had no choice but to fight back, we’d better _________ him.
Animals are obviously _____ lower form of life than _____man.
Hurry up! Mark and Carol _______ us.
—Bad luck. I scored rather low in the test. —. Or you'll have to leave school.
Once again I found myself standing at the crossroads, two pathsahead of me.