We _____ know things about each other that we should not know, have no right _____, and have a right, actually, not to know.

Since I have read quite a few English books, I know ______words and phrases, of which the majority______ been found in our textbook.

It is sometimes difficult for a newly established corporation to ______ the changing demands of the market.

Nancy, would you please remove the big box here to make some room for my books— Of course, but_____, I want to select some of your books to read.

Look at the slim lady in red. Is that your English teacher— No, it ___________ be her. She has gone to England.