- 9. A. book 10. A. clocks B. 100K /s/: B. villas C. tables D. YOOom D. chairs II. Put the words into THREE groups (/s/, /z/ and/iz/) books, doors, windows, boards, clocks, bags, pencils, desks, schools, classrooms, students, teachers, couches, benches, glasses, brushes, maps, sinks, beds, caculators, villars, lamps /iz/:
