1. Call me at 7. (7½Ã¿¡ ÀüÈÇØ ÁֽÿÀ) 2. He called down from the top of the ladder. (±×´Â »ç´Ú´Ù¸® À§¿¡¼ ¾Æ·¡¸¦ ÇâÇØ ¼Ò¸®ÃÆ´Ù) 3. call the doctor (Àǻ縦 ºÎ¸£´Ù) 4. leave a call for 7:30 (7½Ã ¹Ý¿¡ ±ú¿ö ´Þ¶ó°í ºÎŹÇÏ´Ù) 5. call a roll (Ãâ¼®À» ºÎ¸£´Ù, Á¡È£ÇÏ´Ù)