who did it?

who did 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 Did you ever discover who did it.改成Did you ever ___ ___ ___ who did it. Does it really matter who did it是什么从句?为什么? it was we who did it .怎么理解? Does is really matter who did it是什么从句?原因 Q：who did you ( ) it with?A：my parents Who did you think it might be?这句话是什么意思 who bought it?和who did buy it?不是有动词该加个助动词吗.像 what did you say?..did的助动词. who bought it?和who did buy it?不是有动词该加个助动词吗.像 what did you say?..did的助动词. who was it __ was lost?what was it ___ you did last week?(定语从句) Jack told the policeman______. A.who it did B.who did it C.who it does D.who does itDid you hear anyone_____for help last night? A.call B.calls C.calling D.called who did it___among these children?-Tom .he did it __than all the others 答案是best,much better吗? The people____________in the paper did not like it,but other readers liked it.a)who was writtenb)who were writtenc)who were written aboutd)whom were written about We don't know ( ) they did it.A.how B.who C.what D.which --Who helped them finish the work?--Nobody.they did it by________? Who give it to you?为什么不加did如题!