The new smart robot by Sony, with a camera “eye” on its head, can __________ colors and human faces.
He didn’t _____ to what I said because his mind was on something else.
People read newspapers and magazines in order to keep themselves _____ of what is going on in the world outside.
In the _____ of proof, who is the thief is still not announced.
____ is known to all, persistence is a kind of quality and that’s ____ it takes to do anything well.
Heads from different countries gathered in Amsterdam and President Xi jinping _____ a speech on nuclear safety.