Сложить предложение со словами to be engaged - быть обрученным to be single-быть холостым to look after- ухаживать to be married- быть замужем half brother/half sister - сведённые брат или сестра an orphan - сирота siblings- родные брат или сестра foster parents- приёмные родители
He is single.
I have to look after my mother.
He doen't want to be married.
They are a half brother and a half sister.
At 10 he became an orphan.
They are my siblings.
They are foster parents.