I have never heard a worse voice than hers. She is but a good singer. A. somethingB. eve

问题补充：

I have never heard a worse voice than hers. She is but a good singer. A. somethingB. everything C. nothingD. anything

答案：

anything but=not at all, far from 根本不，远不。nothing but=only仅仅，只有。