表语从句中分别是什么时候用that,what,who,when,where,which,why...答:表语从句中分别是什么时候用that,what,who,when,where,which,why,是根据句子的意思而定的 He has become a teacher.He has become what he wanted to be ten years ago.She has remained there for an hour.She has remained where I stood yesterday for an hour.His suggestion is good.His ...