When and why he came here ____ yet.
when and why he came here _____ yet.
When and why he came here ________ yet.选什么
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 为什么横线上的谓语动词用单数
When and why you came ____ .
请英语帝,讲解这道题when and why he came here _______yet.a\is not know
一道英语单选题.-How and why Jack came to China ____ not known .When
Do you know when he came here?
I was surprised why he came here so early.
When and where to build the new factory ____ yet.
——Is Peter here yet?——Not yet,but he ____ be here soon.He is