-What do you do yesterday afternoon?-I went to the bookstore,___ some books and visited my uncle.
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.
It has been announced that candidates _______ remain in their seats until all the papers have been collected.