연습 2 Bab 19 SELAMAT DATANG-어서 오세요연습 2 Bab 19 <img class="alignnone size-full wp-image-2936" src="https://cbtepstopik.com/wp-content/uploads/2022/06/Ashampoo_Snap_14-June-2022_15h55m04s_050_.png" alt="" width="1051" height="199" /> Time's up
