I 语法填空（共10小题；每小题1.5分，满分15分）
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。将答案填写在答题纸的相应位置
One day, an old monk named Wisdom, followed by two young monks, was walking from one town to another __1.__ they caught sight of a lake. Tired and thirsty, they stopped to have a rest. __2.__old monk, pointing to the lake, asked the _ 3.__ (young) one to get him some water.
