_________you did it is not known to all.A who B,what C,how D,which这个题目为什么选C,麻烦解释下.

_________you did it is not known to all.A who B,what C,how D,which这个题目为什么选C,麻烦解释下. i _________you for a long time,where ______you ____?A,did not see/did goB have not seen/have been 问道概念性题目How tall _________you last year?A.are B.was C.were D.did为什么不选D _________you at home yesterday? _________you face these difficulties? i did it again When did it start? did you mean it Did you put it it did no how did it go how did it go? he just did it who did it? _________you are the first one hereA It seemed that B It seem as if不能用A是因为时态不对么 英语的一道完成句子你越经常运用英语,就回学的越好_______you use English,_________you will learn it 是when did it started还是when did it start? You did it You did it well keep walking是什么意思