c. the editor-in-chief’s officeРb. the editor-in-chief office d. the editor’s-in-chief officeР66.My old classmate, Comrade Sun ,works at ______.Рa. a teacher college c. a teacher’s collegeРb. a teachers’s college d. a college of a teacher’sР67.The policemen put the criminal ______.Рa. in a iron b. into a iron c. in irons d. into a pair of ironР68.Our teacher gave me ______.Рa. an advice b. the advice c. many advice d. much adviceР69.My mother cut the cloth with ______ scissors.Рa. a b. two c. a couple of d. a pair ofР70.My house is within ______ from the railway station.Р a. a stone’s throw b. a throw of a stone c. stone’s throw d. the stone’s throw