怎么训练5个月大的宝宝随声寻物？

用英语寻物启事怎么写

Lost And Found 失物招领 I picked up a new red backpack on the playground in the morning of yesterday after our baseball game。 There are an English book, a mathmatic book, and a physics textbook in the backpack 。Besides,a student ID is also in it。 After you see the Lost and Found and you lose the...全部

  Lost And Found 失物招领 I picked up a new red backpack on the playground in the morning of yesterday after our baseball game。
  There are an English book, a mathmatic book, and a physics textbook in the backpack 。Besides,a student ID is also in it。
   After you see the Lost and Found and you lose the bag ,please call me, whose name is Mary ,in Class 2 ,Grade 9。
   The number is 1234567。I'm waiting for you !。收起