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    首页/CEFR/C1/Vocabulary/US/voluntary ·adjective/voluntary ·adjective

她为无国界医生做志愿工作。

She does ___voluntary work for Doctors Without Borders.

许多人支持志愿组织。

Many people support ___voluntary organizations.

1998年我在英国做了一整年的志愿工作。

I did ___voluntary work for a whole year in 1998 in Britain.

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