请阅读下面短文,根据语篇内容,在空白处填入恰当的单词,使短文通顺、连贯,并将答案写在答题卡相应的位置上.每空一词.
A group of school students went for a picnic on a bus with their teacher.Suddenly the teacher realized that she had lost her watch.The watch was a gift from one（1）______ her family members.So the teacher asked the students to help look for the watch.She said anyone who got it would get （2）______ small gift.The students were excited and began to look for the watch.They finally reached the picnic place,（3）______no one found the watch.The teacher lost hope when she got off the bus with all the students.
When the bus was empty,a student made a decision to get on the bus again to search（4）______the watch.Minutes later,the boy ran to his teacher with the watch in the hand.
The teacher was surprised and she asked the boy how he found it.The boy replied,"I sat peacefully on the （5）______,trying to listen to the ticking（发出滴答声） of the watch." Nowadays,we often lose our peace of mind.If we spend some time relaxing our mind,we can think more clearly and achieve better results.