【小题1】But how could the survivors believe it was______(nature)
【小题2】At about 3:00am______ July 28, 1976, some people saw bright lights in the sky.
【小题3】It was felt in Beijing, _____ is more than two hundred kilometers away.
【小题4】______(bury) in study, he didn’t know when it began to rain.
【小题5】_____(judge) from what he said, he must be an honest man.