when and why he came here _____not known yet .为什么填is?(is为标准答
When and why he came here () yet?A is not known B are not kn
When and why he came here ________ yet.A.is not known B.are
when and why he came here _____ yet.
When and why he came here ________ yet.选什么
When and why he came here ___ yet 为什么横线上的谓语动词用单数
请英语帝,讲解这道题when and why he came here _______yet.a\is not know
( )he has gone is not known yet.
英语语法I suppose that is why he came to me when he went broke,t
leaving you out here is that why i came here
Is Peter here yet?Not yet,but he( ) be here soon.He is usual
--Is Tom here yet?
这个句子为什么是助于从句啊.where he has gone is not known yet.where 为什么是主