(1) (When both of the speakers leave the place at the same time)
¡¡¡¡Good-bye! ¡¡¡¡¾È³çÈ÷¦¢
¡¡¡¡Good-bye! ¡¡¡¡¾È³çÈ÷¦¢
(2) A is leaving, B is staying.
¡¡¡¡Good-bye! ¡¡¡¡¾È³çÈ÷¦¢
¡¡¡¡Good-bye! ¡¡¡¡¾È³çÈ÷¦¢

(1) Do you go (there) again?
(2) I go (there) again.
(3) Do you meet (her) again?
(4) I meet (her) again.