C92 A Very Useful Calabash

"I can't go, said the ghost. Don't let me leave! " I spread out my hands. If I could leave, I would have left a long time ago. The reason I stayed was because if I left now, I wouldn't be able to get my diploma. The second reason was that once I left, I was afraid that Ning, Qin, and the others would be next. They are all my best friends. Now, I am the only one who can save them