一万美元由一位匿名捐赠者捐赠。

Ten thousand dollars was given by an anonymous ___donor.

私人捐赠者们筹集了一些资金以防止医院关闭。

Private ___donors raised some funds to prevent the hospital from closure.

新图书馆的建成得益于一位慷慨的捐赠者。

The new library was built thanks to a generous ___donor.