一個mp3及自行車鑰匙, 請你根據(jù)以上提示, lost may15th i left a green school bag in the reading-room on the evening of may14th. there are two english books, li lei found june 26th i found a cell phone on the playground on june 25th. anyone who lost it, 1.一篇應(yīng)用文(lost) ???