选词填空（共10小题；每小题1分，满分10分）
阅读短文，选择方框中的词用适当形式填空，每个词最多选用一次，有两项是多余的，每空一词。

back  bad   express   feel it loud  luck simple sweet thank two   warm

Once upon a time, a young man came across a spring(泉水) of clear water while crossing the desert. The water was very sweet, and he filled his leather container(皮革容器) so that he could bring some  to his teacher. After a four-day journey, he presented the water to his teacher.
The old man took a deep drink, smiled  _and thanked his student very much for the sweet water. The young man returned to his village with a happy heart. After a while, the teacher let astudent taste the water. He spat (吐) it out, saying it was terrible. It was clear that the water had become no longer fresh sweet because of the old leather container. The student questioned his teacher, “Master, the water tasted strange. Why did you still like it?” The teacher replied, “You tasted the water while I tasted the gift. The water was the container for an act of love and kindness and nothing could be   .”
After reading the story, we can understand that when we receive a chocolate as a gift from a child, we get more than the chocolate__. What we should do properly is to express      naturally to him or her because we love the idea within the gift.
Gratitude (感谢) doesn’t always come  naturally.   _, most children and many grown-ups like only the thing given rather than the shown in it. We should remind ourselves and teach our children about the beauty of feelings and   _of gratitude. After all, gifts from the heart are really gifts of the heart.