A. digital B. each C. mantis D. voluntary A. each other B. expert C. based D. school uniform A. postman B. school-leaver C. apply for D. first A. just B. homework C. here we go D. spill A. after-school B. reprimand C. commit D. Seoul A. seasick B. rapidly C. dozen D. hill A. impolite B. inconvenient C. other D. zip A. blur B. cherub C. as for D. twice A. descendant B. picnic C. thirteenth D. fortnight A. upon B. with the help of C. seldom D. rice