根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。

根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。
Holding doors open for people behind you, picking up litter, thanking people. . . these acts of kindness seem very【 小题1】. But students at James Middle School know that such small acts make the world a better place.
Eighth-graders from James Middle School, took part in the Random Acts of Kindness Week 小题1: March 31 to April 4.During the week, they tried their best to do kind things for others. Celeste Murray, an English teacher at the school, started the activity. Since she was little, she has always tried to do small acts of kindness in her daily life. “I believe the world is 小题2: by small things,” she told the newspaper The Daily Times. Over the week, to her surprise, Murray also 小题3: great changes in her class.
Before that, she always needed to ask her 小题4: to push the chairs in or turn off the lights before they leave the classroom. Now, the students do those things by 小题5:. “The teachers have a lot of work,” Said Jordon, one of Murray’s students. He learned to care more about others. Eliza, 小题6: student, gave out more praises（赞扬） to others. “It makes them feel happy and successful,” she said. The activity made students feel that they can make a difference. Hailey decides to continue to do at least one act of kindness every week, 小题7: busy she is. She believes her acts could encourage others.