上海外语教育出版社《环球英语教程》（World Link）第一册第五单元
Read the lost notice below.
LOST!
Brown leather backpack. Two university textbooks are inside — one is a math textbook; the other is a history book. Lost at a bus stop near Georgetown University on Monday night. Please contact the owner at 555-2121. $50 reward!
Answer the following questions:
1. What was lost? What was inside?
________________________________________________________
2. Where was it lost?
________________________________________________________
3. When was it lost?
________________________________________________________
4. How to contact the owner?
________________________________________________________
5. What is the reward?
________________________________________________________
Write a notice about a lost item of yours. Make sure you have detailed description, so that people can help you find it.
Useful expressions:
Lost at/in/on ...
Last seen at/in/on ...
Contact ... at ...
Call ... at ...
(... reward)