In my opinion, mathematics _____fun, but more than 80% of the group _____agree with me.
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.