A. permanent B. boot C. at the end of D. eerie A. layer B. come down C. across D. tangible A. dioxide B. exploit C. anthropologist D. geographical A. acute B. thirty C. face D. finish A. crane B. son C. scissors D. in terms of A. whereabouts B. in excellent condition C. approve D. Sydney Opera House A. swarm B. title C. dubious D. ancient A. Springfield College B. feature C. slide into D. privilege A. hotline B. boredom C. introduce D. situated A. itinerant B. president C. be known as D. per cent