Ответ:

Перевод задания: Поставьте предложения во множественное число.

  1. This book is good. → These books are good.
    Эти книги хорошие.
  2. This office is near the bank. → These offices are near the bank.
    Эти офисы находятся рядом с банком.
  3. That is my notebook. → Those are my notebooks.
    Те тетради — мои.
  4. This boy is fourteen years old. → These boys are fourteen years old.
    Этим мальчикам четырнадцать лет.
  5. That dog is black. → Those dogs are black.
    Те собаки чёрные.
  6. This is my house. → These are my houses.
    Это мои дома.
  7. That is a tall building. → Those are tall buildings.
    То — высокие здания.
  8. This girl has got a doll. → These girls have got dolls.
    У этих девочек есть куклы.