If the researchers are successful, they an important step in reproducing the way that humans use cognition(认识力)to interact(交流;互动)in their world.
I recognized him _______ I saw him, though we had been apart for over a decade.
It’s a consensus in modern society that whoever breaks the law deserves _______, whether he is from the top class or a humble person.
With the popularity of ______ cell phone, more and more people are addicted to it and do less and less face-to-face communication, which has become _______ widespread concern.
-----Are you sure you won’t come for a drink with us? -----______, if you insist(坚持).
Nancy invited Tom and Ann to dinner, but _____ of them came.