https://online2.tingclass.net/lesson/shi0529/0008/8834/Unit324.mp3
https://image.tingclass.net/statics/js/2012
Lesson 24 Again,please! I'm sending you a letter!
I know: bottom 底部
computer 计算机 corner 角落
e-mail 电子邮件 envelope 信封
left 左边 letter 信
postcard 明信片 right 右边
stamp 邮票 top 顶部
send 发送 Can you___?
Write a postcard or a letter to your friend.
