I wonder how many years ago your father retired属于什么从句?

I wonder how many years ago your father retired属于什么从句? I wonder how,I wonder 在哪里有过出现? i wonder how i wonder 翻译I wonder how i wonder. 这句话是病句吗? 怎么翻译? 寻英文歌名“I wonder how I wonder why I wonder ……” I wonder how,I wonder why ,I wonder where you are这是哪首歌有的啊? how I wonder what you are! i wonder how is you looks like? i wonder how you do it wonder how I wonder why I wonder where they are,这是后街男孩的哪首歌 同义句I wonder how I can make myself betterI wonder how ____ ____ myself. 请帮忙翻译：i wonder how many people can live as whom they are? at least, i am not one of them 谢谢~ i wonder konw how can i quit you 歌词中含有“I wonder how,i wonder why”的是什么英文歌?不是《my love》 英语歌曲歌词里有I wonder how, I wonder why等,什么歌了? i wonder how i wonder why除了my love还有哪首歌里有 There're so many people Living in the World.I wonder,how much do they know why they live.有无语法错误? 高一名词性从句6I wonder how many years ago___.A.you father retiredB.your father has retired为什么选A?我觉得是B, I wonder how many years ago____________.A、did your father retire B、your father retired C、has your father retired D、your father has retired