Some scientists think that it may take _________years to make robots look like people, and do the same things as us.A. hundreds of B. two hundreds of C. two hundreds
You look _______ . Do you hear the _________ news?
I’m sorry to keep you _______ for almost two hours.
He looks very pale. He may have _______ fever.
When the traffic lights are red, we _______ stop.
—Oh, you have a headache and a cough. __________ have you been like this? — Two days.