I an not sure how long they____A.have married B.have been marriedC.have been married D.married

I an not sure how long they____A.have married B.have been marriedC.have been married D.married I'm not sure 1.I'm not sure how old are you?2.I'm not sure how old you are?which one is right?tks i not sure how to use chinese.can i use english here how is ka fei come fromi am not sure so i try to know I am not sure是什么意思 Er...i am not sure. I'm not sure 快 I'm not sure yet. I'm not sure()( 至今) I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if 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'd rather be an idiot than lo I'm sure I am not wrong I can not sure what to expect because I have never see an Indian film before.翻译 Sure.I know how to do that. I am not sure what to do next 什么意思未什么不能将 what改成how 啊?? our teather has just gone to the library .i am not sure how(long,often,fast,soon)he will back