Boris has brains.In fact, I doubt whether anyone in the class has _______ IQ.
--I'm told that John had another car accident this morning.--I believe not. He _________so careless.
The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
--I didn't know this was a one-way street, officer.
--Which play shall we go and see? ----____________________.
You _________think you're clever, but that doesn't give you the right to order me about!