-How many students watched the teacher carefully enough ?-_________.Nobody B. None C. Someone D. Some one
--- _____ is your jacket? --- It’s purple.
--- What’s Jim Smith’s family name? --- _____.
--- _____ they Peter and Tim? --- Yes, Lisa _____ their mother.
--- Is your good friend _____ China now? --- Yes, he is. He likes China very much.
--- Is that _____ orange? --- Yes, the orange is mine.