根据短文内容和所给汉语提示, 写出空白处各单词的正确形式。每空限填一词。

Have you ever seen volunteers? Just (想象) what the world would be like without volunteers. I can always see volunteers anytime and anywhere in our city. Some stand at the crossing to warn (提醒) people about the traffic (标志). Some help the homeless dogs and cats find (主人). Some go to the old people's home to care for the (孤独) old people. People of all ages are willing to do volunteer jobs, and most of them volunteer (募集) money for the charity. Even the (残疾) people want to send their (善意) to the society. They know how good one feels when being helped and they get a strong (感觉) of satisfaction through volunteering. They make a (不同) to our world! (多亏) to their work, we can get a beautiful world that is full of love.