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。
Once a farmer lost his watch in his barn, in which lots of grain was kept. The watch, ____ was a gift from his father, was very important to him and he was determined to find it.
After searching the barn for a long time, however, he gave up and asked for help from a group of children who were playing nearby. He promised to give a great reward to ____ found the watch.
____ (hear) this, the children hurried inside the barn immediately . ____ searched everywhere but still could not find the watch buried in the grain. The farmer was about to give up ____ a little boy went up to him and asked to be given ____ second chance.
The farmer looked at him and thought, “Why not? After all, this kid looks honest.”
So the farmer sent the little boy back into the barn. After a while the little boy came out ____ the watch in his hand! The farmer, ____ (surprise) but happy, asked the boy how he succeeded where the rest had failed.
The boy replied, “I did nothing but ____ (sit) quietly and listen for the sound of the watch.”
This shows us that sometimes a peaceful mind can think ____ (well) than an excited one.
