I am not sure how long they _.A.have marriedB.have been marriedC.have got marriedD.married为啥?

I am not sure是什么意思 Er...i am not sure. I'm sure I am not wrong how is ka fei come fromi am not sure so i try to know i am not sure反义疑问句 I am not sure what your talking 翻译成中文：I am not sure i am not sure 什么意思 I am not sure同义句 maybe.but I am not sure. Sure.I am not a bad I AM NOT SURE YET?什么意思? I am not sure.that I am gay I think I love you,But I am not sure now是哪首歌的歌词?I don’t know why.I don’t know how.I think I love you,But I am not sure now. I am not sure what else to I am not sure what else to say. I am not sure yet同义句I am not sure yet=? may be,I am not sure还是maybe,I am not sure? I am not sure what to do next 什么意思未什么不能将 what改成how 啊??