--Why did you come a long way round?---I was afraid ___ near the fierce dog because I was afraid ___.
I’m surprised that he _____ in the exam.
With so much work on hand, you _____ to see the game last night.
One ought _____ for what one hasn’t done.
—Don’t forget to come to my birthday party tomorrow. —_______.
You can’t imagine that a well-behaved gentleman ______ be so rude to a lady.