A. word B. entertain C. roller-blading D. food chain A. on average B. ear C. rent D. alpinist A. house B. explanation C. haul D. family A. excavate B. card C. have lunch D. sustenance A. schoolbag B. runny C. physics D. southwestern A. Christmas Day B. uncle C. cherish D. auntie A. mainstream B. used to C. what D. little by little A. ever since B. aunt C. delete D. scrape A. preparation B. devoted C. sea level D. pupil A. stair B. side road C. nice D. West Hill