A. on one's own B. meal C. hardworking D. tourist office A. sound B. physiological C. erect D. imperial A. betray B. across C. at the age of D. country A. memorable B. around C. dig out D. flight attendant A. line B. mattress C. in need of D. project A. ask for B. quiet C. weak D. female A. lantern B. surprise C. twenty-three D. a box of crayons A. jigsaw B. should C. hero D. make a bet A. hurt B. half-time C. shop D. boiled water A. in a minute B. permanently C. football D. parent