I said I would time

"If I could go back a year, there must have been some major disaster. It needs to be reported to the national authorities so they can prepare in advance...",At this moment, the classroom was empty except for Lin Xing. He casually chose a seat and sat down, taking out his books from his bag while continuing to think about his plan.,The middle-aged man at the head shouted into the earpiece, “What’s going on Why is the entrance different from the previous calculation results”。