A. necessary B. receptionist C. brother D. spiral A. aunt B. everyone C. left D. disappearance A. Sydney Opera House B. strait C. sticker album D. welcome A. wizard B. pupil C. seismometer D. run into A. incidentally B. cow C. enough D. zone A. limestone B. thank C. sideways D. relay race A. graduation B. glue C. millimeter D. overseas A. molten B. scrapbook C. heading D. doll A. junior high B. bird C. picture D. after A. pencil-box B. all alone C. assumption D. sudden