Question

II Put the words into the 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, calculators, villas, lamps

      -/iz/:        ......................................................................................................................................

      -/s/:         ......................................................................................................................................

            -/z/:                  

Answer 1

/iz/: couches, benches, glasses, brushes.

/s/: books, clocks, desks, students, maps, sinks, lamps.

/z/: doors, windows, boards, bags, pencils, schools, classrooms, teachers, beds, caculators, villas.