The bank doesn't open ____10 a.m.
The bank doesn't open ____10 a.m.
Explanation
Until is used to show when something continues up to a specific time.
The bank doesn't open until 10 a.m. means it remains closed before 10 a.m.
Until is used to show when something continues up to a specific time.
The bank doesn't open until 10 a.m. means it remains closed before 10 a.m.