A. trip B. integrated C. applause D. nostril A. survive B. outside C. listen to D. terrestrial A. straight B. mirror C. tutor D. update A. center B. apology C. environmentalist D. past A. space travel B. cage C. hut D. impressionist A. and so on B. purchase C. scale D. traffic lights A. fiance B. virtually C. south D. leg A. convulsive B. crossing C. income D. ride A. orphan B. bulb C. everybody D. hover A. give sb a hand B. straggle C. plenty of D. put down