i must do it by myself.翻译疑问句怎么改?

i must do it by myself.翻译疑问句怎么改? I cant do it well by -----(I) I must do it !I can do it !I will do it !什么意思 1 wish i Can do it by must i do it now?回答怎么答? You must do it now.(改为被动语态）It ________ _______ _______ by you now. “I am Yi,I will do what I promised,I must do it,because I can do!EVERYTHING I must fine it. I'm yours,do it by heart 是什么意思? Never Mind,i caN do it By myself I can do it by myself 中的by 可以去掉吗可以去掉by吗 What can I do for you?Thank you.I think I can do it by m() I found this book when Icame to the classroom.It must must have been left by one the students -How long can I keep this book?-It must ___ (return) by Wednesday. by that way的by省略I do it that way（为什么省略by?还是压根就没有by?） change...yes,you must do it!must do! i found it impossible to do the job by himself.可以省by吗? 用适当的反身代词填空.I want to do it by_______.Helen usually has tea by_______.He enjoyed ______ very much in the party.The little girl bought a present for _______.We must finish this work by