阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
Volunteering (1)_______(help) build a safer and    (2)______(strong) community. It (3)_______ (enchance) the social (4)______(connection).(5)______ (volunteer) also brings benefits to individuals. Many people (6)______do volunteer work say that it has (7)_______ (help) them to feel more confident. For example, I have always been quite a shy person,(8)______my volunteering experience has helped me to gain confidence through talking to strangers and even speaking in front of a crowd.