A. teens B. parents C. intensely D. fluid A. burst B. thorough C. enjoyment D. reunite A. classroom B. insect C. pick out D. addicted to A. grow B. cube C. all in all D. punchline A. principal B. benefit C. worn-out D. build up A. fluctuation B. vast C. poison D. huge A. himself B. outstanding C. theory D. principle A. snobbery B. chaos C. happy D. mime A. overcome B. debtor C. monthly D. it's A. pirate B. rush C. detective D. reserve