Peter and Lucy are fourteen years old. They/Thei are from England. They/Their favourite subject Science. These books are theirs/their.

Ответ (EN)

Peter and Lucy are fourteen years old. They are from England. Their favourite subject is Science. These books are theirs.

Перевод (RU)

Питеру и Люси четырнадцать лет. Они из Англии. Их любимый предмет — Наука. Эти книги — их.