1. (2021七上·鄞州期中) 请根据以下同学的描述，找出相应的寻物启事或失物招领，并回答问题。

Lost&Found

A. Is this your pen? Ask the teacher for it.	B. Lost: A white ruler. Please e-mail me at jacky23@163.com.
C. Lost: A jacket. If you find it, please call me at 763-2356.	D. Eric, is this your notebook? My phone number is 362-4657. Call me!

1. （1） Alan: I lost a jacket. My telephone number is 763-2356.
3. （2） Mary: I found a red pen in Room 203. I give it to the teacher.
5. （3） Jack: I lost a ruler. It's white. My e-mail address is jacky23@163.com.
7. （4） Cindy: I found a notebook with the name “Eric Green”. My phone number is 362-4657.
9. （5） Who lost a notebook?

   A . Alan. B . Jack. C . Cindy. D . Eric.