Who did it is still a mystery,为何这句没连接词呢?

Who did it is still a mystery,为何这句没连接词呢? It is still she who loves me most who did it? Does is really matter who did it是什么从句?原因 who is singing next room?is it Maria?no ,it ?be her.she is still at school at this time Were it not for youth is short,and who would want to still time.. IT IS STILL YOU怎么样 ___you did it is not known to all.(who,what,how,which)拜托了各位 The job you offer is to replace someone who left or did you just create it? who is it It is not my sister,nor my brother.but it's still the child of my father and mother.who is it? They don't know _______________ A. who did it B. who did it do C. who did do it D.who it did?kuai! who did write it可以吗 翻译这句话的意思it is you who hurt me deeply.but are you still up with me? I say,and,you,also,did you get angry?You who said,no,is it You who said are true,no,is it Well,'a one Did you ever discover who did it.改成Did you ever ___ ___ ___ who did it. this is a wonderfl composition,i wonder ——A.who is it written byB.who was it written byc.by whom it was writtend.who did write it It isn't my sister or my brother,but still is the child of my father and mother.Who is it?( )