Question

Answer 1

/s/ books , parents, students , baskets, lamps, desks, 

/z/ boards , telephones, engineers, doors, erasers, armchairs, tables, teachers, years, windows

còn lại là /iz/

Answer 2

/s/: parents, lamps, students, books,desks, baskets

/z/: armchairs, boards, tables, engineers, teachers, years, telephones, doors, erasers, windows

/iz/: classes, benches, couches, bookcases

Answer 3

books parents students baskets lamps desks 

boards telephones engineers doors armchairs erasers windows tables

còn lại

Answer 4

Các âm /s/: books , parents, students , baskets, lamps, desks,

Các âm /z/: boards , telephones, engineers, doors, erasers, armchairs, tables, teachers, years, windows

Các âm /iz/ : classes , benches , couches , bookcases

Answer 5

S/book ,parents,students,baskets,lamps,desks

Z/boards,telephones,engineers,doors,erasers,armchairs,table,teachers,years,windows

Còn lại/iz/