题目内容：

阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

I’m Jan Hasek,1.old miner from the Czech Republic. In April 1945 I2.(hear)something explode at midnight.I got up and3.(run)outside.The sound came from a mine 4. hadn’t been used for a long time.5.(Sudden )I saw some German soldiers by the light of the moon.They were taking wooden 6. (box) from trucks and putting them in the mine.

A week later I decided 7.(go) and see for myself.To my surprise the entrance to the mine was closed. Some people say8. the Amber Room and some gold were buried9. the mine. I think10.might be so, as the Amber Room has never been found.