Он на восемь лет младше своей старш

Он на восемь лет младше своей старшей сестры? которая через два месяца станет совершеннолетней

Результаты (английский) 1:

He is eight years younger than his older sisters? that two months will become an adult

Результаты (английский) 2:

He's eight years younger than her older sister? that in two months will be an adult

Результаты (английский) 3:

he is eight years younger than her elder sister. which two months will become an adult.