语法填空（共10笑题；每小题1.5分，满分15分）
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或受用括号中词语的正确形式填空，并将答案填在答题卡标号为31~40的相应位置上。
A young man,while traveling through a desert，csme across a spring of clear water.____31____water was sweet.He filled his leather container so that he could bring some back to an elder ____32____ had been his teacher .After a four-day journey, the young man____33___.(present) the water to the old man. His teacher took a deep drink, smiled____34____(warm), and thanked his student very much for the sweet water.The young man went home____35_____a happy heart.
After the student left, the teacher let __36___student taste the water. He spit it out, __37___(say) it was awful. Apparently, it was no longer fresh because of the old leather container. He asked his teacher,” Sir, the water was awful. Why did you pretend to like ___38____?”
The teacher replied,” You tasted the water. I tasted the gift. The water was simply the container for an act of kindness and love. Nothing could be ___39___ (sweet).”
We understand this lesson best ____40___ we receive gifts of love from children. Whether it is a cheap pipe on a diamond necklace, the proper response is appreciation. We love the idea within the gift rather than the thing.