오기로 했어

was supposed to come

→ 오다
phrase Rare #25,914
was supposed to come Describes a plan or agreement for someone to come; it doesn’t necessarily mean they actually came.
KO: 친구가 저녁에 오기로 했어.
EN: My friend was supposed to come over in the evening.

누구 오기로 했어?

Who is supposed to come?

— 택시 (1998)

선규 랑 선규 처 오기로 했어

Seon-gyu and his wife are supposed to come.

— 장화, 홍련 (2003)

오늘 파코가 오기로 했어

Paco is supposed to come today.

— 귀향 (2006)

누가 오기로 했어?

Who is coming?

— 해리 포터와 불사조 기사단 (2007)