A. stranger B. ceiling C. indoors D. former A. plus B. bowl C. keep in touch with D. surface A. offshore B. politely C. thresh D. product A. those B. spire C. circle D. the Nile A. insoluble B. clavichord C. step D. there is A. lover B. cook breakfast C. through D. stare at A. wrestling B. discussion C. Pacific D. southern A. disadvantage B. dollar C. machine D. dig A. first of all B. forgetful C. heel D. risk A. plug B. ivory C. over again D. blank