A. talk to B. stone C. circumstance D. anxiety A. follow B. addictive C. chip D. yield A. headmistress B. long long ago C. memory-chip D. mountainous A. tone B. equilibrium C. immigrate D. forget A. sympathetically B. effectively C. rotating D. scramble A. infect B. receive C. bring back to life D. exhibit A. contented B. crossing C. excavate D. straight A. twenty-first B. monitor C. go to sleep D. painting A. era B. be thirsty for C. impair D. abstruse A. bench B. accountant C. suit D. ashamed