阅读下面小短文,根据上下文语境,选择合适的单词填入空白处,每个单词只使用一次,有一个是多余的单词。

A. grateful   B. intention   C. decorate   D. measures   E. benefited   F. significant

Last month, our school launched a campaign whose 【小题1】 was to promote environmental protection. The campaign lasted for one week. Firstly, there was a photo display to show the serious pollution caused by human activities. Secondly, there was a lecture on many 【小题2】 that we could take in our daily life to protect the environment. For example, taking the bus or using the bike-sharing system would be a 【小题3】 way. Last but not least, we students were encouraged to 【小题4】 our classrooms with recycled materials. Through the campaign, we【小题5】 a lot. We realize that it is our responsibility to leave a better, cleaner and healthier planet for future generations.