问题描述: This is something ( ) I must decide caught 填that,which,what,when 为什么 1个回答 分类:英语 2014-10-06 问题解答: 我来补答 choose that在定语从句中,不定代词如something\somebody等做先行词时,只能用that来引导这个定语从句. 展开全文阅读