A. letter B. post C. helper D. noodle A. pupil B. workmate C. convenience D. unsure A. yogurt B. exactly C. explore D. Chinese paper-cutting A. under B. spread C. suspect D. sprout A. proposition B. bill C. raid D. telegram A. first prize B. virtually C. hold D. neighbour A. encouragement B. in time C. outer space D. disguise A. order B. physician C. a couple of D. catch up A. point to B. regret C. proudly D. standard A. yellow B. someday C. crown D. customer