Who ___ the window ___ by .
Who ___ the window ___ by .
Who is the boy ___ by the window?
---Who cleaned the window yesterday?---I ___.
The boy sitting by the window is one of the students who ___
Who broke a window in the woman's house,改被动:By whom ___ a wi
Who is the person ___ broke the window?
Our teacher is certain ___ who broke the window
does anyone konw who ___(break) the window?
___ the window for you
who is that ___ broke the window?A.who B.that 选哪个?
Who broke the window?--- Jenny ___.A does B is C did D do
a:shaii i ___ the window?b:___ ___ the window ,piease