问题描述: Nothing but trees _to be seenA.was B.were C.are D.has 及具体分析 1个回答 分类:英语 2014-12-05 问题解答: 我来补答 选A nothing but ...作主语,采用就远原则,即谓语和nothing保持一致.如:The woman with three children is getting on a bus . 展开全文阅读