1 The news that we have won the match is true.
2 The question where we will have our holiday hasn't been decided yet.
3 The following question what steps we will take is unknow.
4 I have no idea why he is so rude.
5 The question whether it is right or not is uncertain.
6 We all know the truth that The earth travels around the sun.
7 He made the promise that if someone set him free,he will make him weathy.
8The news came around that his elder brother had joined the army.第二句怎么可能用WHERE引导啊可以啊。同为语从句的链接词有that, whether, who/what/which/whose/whom,where/why/how/when等。可以啊，楼主要记得悬赏啊。