Since I have worked as a volunteer in different activities, I believe that I am qualified to fill the position you advertised for.

因为我担任过不同活动的志愿者，所以我相信我能胜任您所招聘的职位。

youdao

I am writing to apply for a volunteer of the Chinese Painting Exhibition to be held in your art gallery.

我写这封信是为了申请作为在贵美术馆举办的中国绘画展览的志愿者。

youdao

I feel I am competent to meet the requirements of the volunteer work, so please give me an opportunity.

我认为我的能力满足这项志愿工作的要求，请给我一次机会。

youdao

Whenever new assessments are developed by the district, I am the first to volunteer and get others to join me so that parallel evaluations are developed in Spanish.

WHITEHOUSE: It Takes Heart to Succeed