阅读理解。 根据以下几则启事,选择填空: Mary: Is this your pen in the Lost and Found case? Lost: My School ID card My name is Kelsey Please call 657-9845 1. Who lost a pen? A. Kelsey B. Bruce C. Mary D. Mike 2. Mike found a ______book. A. Chinese B. math C. English D. art 3. If you find a School ID card, you can call ______. A.284-4473 B. Mike C. 657-9845 D. Bruce 4. If you lost a______, you can call 284-4473 A. backpack B. book C. pen D. ruler 5. Who found a pen? A. Bruce B. Mary C. Mike D. Sorry, I don’t know