Question

Поставьте следующие словосочетания во множественное число.
 this magazine, that sticker, this stamp,
 that sandwich, this poster, this teacup,
 this egg, that wall, that picture, this foot,
 that mountain, this lady, that window,
 this man, that match, this knife, this book,
 this family, this pie, that answer,
 that apartment, that teacher, that comedy

Answer 1

везде где слова сущ окончание s

Answer 2

This на These
That на Those

Про окончания у сущ. не забудь