语法填空。
阅读下面材料, 在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
Long ago, in a far-away place, an old tribal chief found himself terminally ill. So he called three most promising young villagers to his bedside and said, “As I 1 (leave)you soon, I hope you can do one more thing for me. Young men, you three are all 2 (usual)strong and resourceful, so I’d like you to strive to climb that high mountain we have always been worshipping 3 a sacred place. Try to reach the top and then turn back to tell me about your findings.