His father _____ to Nanjing. He _____ back next week.A. has been, is B has been, will be C. has gone, is D. has gone, will be
—Can you help me _________ this cat? I go to my grandparents’ home this afternoon. —OK.
—__________? —No, it’s on the sofa.
—__________? —Yes. I want some apples.
—Where are the socks? —__________.
—Paul, do you _________ an American friend? —No, I don’t. But my sister __________ one.