방 예약을 미리 해야 해요.bang yeyageul miri haeya haeyo.You have to make a room reservation in advance.Breakdown of bang yeyageul miri haeya haeyo.~을~eulobject particle방bangroom해야 하다haeya hadato have to예약yeyakreservation미리miriin advanceElon.io is an online learning platformWe have an entire course teaching Korean grammar and vocabulary.Start learning Korean now