They did not say which they wanted .为什么不用what 请分析一下成分.

they didn't say which they wanted 为什么不是用what They did not pay any attention为什么不用had not 这句话是什么从句 还有 请分析一下句子结构 为什么用what不用which they did not know which end was What/which they did for others.中文 They said what I wanted to say什么意思 请分析一下What did your boss say to him?句子成分 None of the students (understand)what he (say)did they they did not know which was better是什么意思 did they say they would be coming? They recited poetry to one another.请分析一下one another的语法成分, say which uses they show