I wonder since when it has been like this,为什么since后的那个句子是用完成式-myfoot hurts terribly,doctor.-I wonder since when it has been like this?since后都是加时间点,也就是过去式,可是为什么这里的since后加的句

I wonder since when it has been like this,为什么since后的那个句子是用完成式-myfoot hurts terribly,doctor.-I wonder since when it has been like this?since后都是加时间点,也就是过去式,可是为什么这里的since后加的句 I wonder when your fruit will I wonder when I can get your reply I wonder when she will be back成分划分 wonder,when,I,visit,engineer,to the连词成句 I wonder who you are when you with he? I wonder when the telephone was ____ 中文 I want to know when we will start.改为同义句I wonder when ______ ______. since when i wonder why 的WONDER when you come and I am filled with wonder,Sometimes,I think I glimpse eternity. i wonder when i told u i love u,it is so strange翻译中文? i wonder when i told u i love u,it is so strang... 1.Water will continue to be ____ it is today----next to oxygen in importance.A.how B.asANSWER:A2.--My foot hurts terribly ,doctor.--Well,I wonder ____ it has been like this.A.since when B.since thenANSWER:B 1.It_______(snow)all day.I wonder when it will stop.2.So far we_______(have)3 major snowstorms this winter.3.When I showed him what I__________(write）,we said it was very good.4.She said that she had made much progress since she_____(come)here.5.Ho ____have you been travelling?since i was a boy.A Since when B When C for when 选择哪一个,为什么 _did you start riding?_ I was eight years old.when,when?when,since?为什么 it has been rained all morning. I wonder when it will stop.(有什么要更改)