问题描述： 请问一下what什么时候可用在主语从句中,充当什么成分?谢谢! 1个回答 分类：英语 2014-11-26 问题解答： 我来补答 what引导主语从句,相当于the thing that,在从句中充当主语、宾语；比如what you told me just now was really a surprise（主语）What he said yesterday is a secret.（宾语） 展开全文阅读
