同位語從句的引導詞有哪些

同位語從句即重複說明同一個稱謂或事件的從句，其引導詞有:that,whether,what,which,who,when,where,why,how等，常放在fact,news,idea,turth,hope,problem,information,wish,promise,answer,evidence,report,explanation,suggestion,conclusion等抽象名詞後面。