A. main B. wreck C. orally D. ambassador A. finally B. Australia C. storybook D. come to A. engineering B. clear C. urge D. storeroom A. prizefighter B. reach C. biology D. recognize A. free B. mammoth C. profound D. electronic A. school uniform B. climber C. once in a while D. universal A. have fun B. throughout C. disposal D. take care A. cheer B. four C. fete D. apologize A. adding machine B. spy on C. abnormal D. arrive in A. take place B. profit C. for ever D. barbarian