I really don`t know_____ A.what to do it B.how to do C.what to do D.how I do

I really don't know when I will start my trip=I really don't know_ _ _my trip. i lost my friend's bike and i really don't know_ a.what to do b.how to do 个人认为选b答案是什么求解 我不知道我做错了什么 I don't know_ _ _ _ I really don't care! I don't really know. I really don't wanna leaveI really don't wanna I don't know_ _ _ _( 我该问谁）有4空哦 I don't know how I should go to beijing.(改为简单句)I don;t know_ _ _ _.不好意思~是有五条横线的~ I really don't want you to I really don't know where to I don't really care是什么意思 I really don't care 啥意思 I Don T Really Like You 歌词 I really don't feel for you I don't know where I should spend my coming summer holiday 同义句I don't know where I should spend my coming summer holiday.同义句 I don't know_ _ _my coming summer holiday. Day your mama, I really really don't know 是什么意思? We don't know what we shall do.同义句we don't know_ _do he is either swimming or boarding.I don't know_ A what B when C which D where 为什么C打错了.是boating